2. KEY VOCABULARY
Variable- A quantity that can change or vary,
taking on different values
3. KEY VOCABULARY
Variable- A quantity that can change or vary, taking on
different values
Constant- A quantity having a fixed
value that does not change or vary, such
as a number. A constant term does not
contain a variable.
[( y= 5 + x ) in this example, 5 is a
constant
4. KEY VOCABULARY
Variable- A quantity that can change or vary, taking
on different values
Constant- A quantity having a fixed value that does
not change or vary, such as a number. A constant term
does not contain a variable.
[( y= 5 + x ) in this example, 5 is a constant
Coefficient- A number that multiplies a
variable [ (4b) in this example, 4 is a
coefficient]
5. KEY VOCABULARY
Variable- A quantity that can change or vary, taking on
different values
Constant- A quantity having a fixed value that does not
change or vary, such as a number. A constant term does not
contain a variable.
[( y= 5 + x ) in this example, 5 is a constant
Coefficient- A number that multiplies a variable [ (4b) in
this example, 4 is a coefficient]
Like Terms- Terms whose variables and
exponents are the same (the coefficients can
be different) [5a + 8a ; or x2y + 3x2y]
6. KEY VOCABULARY
Monomial- a polynomial containing one term which
may be a number, a variable, or a product of numbers
and variables, with no negative or fractional exponents
( -5, xy, 5x2, 5x2y3z )
7. KEY VOCABULARY
Monomial- a polynomial containing one term which
may be a number, a variable, or a product of numbers
and variables, with no negative or fractional exponents
( -5, xy, 5x2, 5x2y3z )
Binomial- a polynomial containing two unlike terms
( x+ 5, xy + 5, 5x2 – x, 5x2 + y3)
8. KEY VOCABULARY
Monomial- a polynomial containing one term which
may be a number, a variable, or a product of numbers
and variables, with no negative or fractional exponents
( -5, xy, 5x2, 5x2y3z )
Binomial- a polynomial containing two unlike terms
( x+ 5, xy +5, 5x2 – x, 5x2 + y3)
Trinomial- a polynomial containing three unlike
terms
(x+5+y, 5x2 –x+y, 5x2 + y3 – z)
9. KEY VOCABULARY
Monomial- a polynomial containing one term which may
be a number, a variable, or a product of numbers and
variables, with no negative or fractional exponents
( -5, xy, 5x2, 5x2y3z )
Binomial- a polynomial containing two unlike terms
( x+ 5, xy+5, 5x2 – x, 5x2 + y3)
Trinomial- a polynomial containing three unlike terms
(x+5+y, 5x2 –x+y, 5x2 + y3 – z)
Polynomial- an expression that is a monomial or the sum
of monomials (xy, xy- 5 , 5x2 – x + y, 5x2 + y3 – z +3)
10. 8.A.6 MULTIPLY MONOMIALS
Just remember the Product Law!
12a3b2 (3a4b6)
Product Law2 applies to the coefficients
Product Law1 applies to the variables
121a3b2 (31a4b6) =
11. 8.A.6 MULTIPLY MONOMIALS
Just remember the Product Law!
12a3b2 (3a4b6)
Product Law2 applies to the coefficients
Product Law1 applies to the variables
121a3b2 (31a4b6) = 361a7b8 = 36a7b8
12. 8.A.6 MULTIPLY MONOMIALS
Some examples:
a. 5bc (4b3c2) =
20b4c3
*don’t forget about the hidden ones
b. 4a3mr (6am4) =
24a4m5r
*if a variable only appears once, keep it in the final answer
c. -2b3m4 (3b2m-2) =
*don’t forget about integer rules!
d. 12a4bg3 (-2abg3) =
-6b5m2
-24a5b2g6
13. 8.A.6 MULTIPLY MONOMIALS
Now You Try Some!
a) 4a3m (8a4m6)
b) 5c4a3 (-3c2a)
c) -6m4r-2 (3m0r6)
d)2b6 (8b3c)
14. 8.A.6 MULTIPLY MONOMIALS
Now You Try Some!
a) 4a3m (8a4m6) = 32a7m7
b) 5c4a3 (-3c2a)
c) -6m4r-2 (3m0r6)
d)2b6 (8b3c)
15. 8.A.6 MULTIPLY MONOMIALS
Now You Try Some!
a) 4a3m (8a4m6) = 32a7m7
b) 5c4a3 (-3c2a) = -15a4c6
c) -6m4r-2 (3m0r6)
d)2b6 (8b3c)
16. 8.A.6 MULTIPLY MONOMIALS
Now You Try Some!
a) 4a3m (8a4m6) = 32a7m7
b) 5c4a3 (-3c2a) = -15a4c6
c) -6m4r-2 (3m0r6) = -18m4r4
d)2b6 (8b3c)
17. 8.A.6 MULTIPLY MONOMIALS
Now You Try Some!
a) 4a3m (8a4m6) = 32a7m7
b) 5c4a3 (-3c2a) = -15a4c6
c) -6m4r-2 (3m0r6) = -18m4r4
d)2b6 (8b3c) = 16b9c
18. 8.A.6 DIVIDE MONOMIALS
Just remember the quotient laws!
27a5b6 ÷ 9a2b
Quotient Law2 let’s us divide 27 by 9 = 3
Quotient Law1 lets us divide the variables
19. 8.A.6 DIVIDE MONOMIALS
Just remember the quotient laws!
27a5b6 ÷ 9a2b
Quotient Law2 let’s us divide 27 by 9 = 3
Quotient Law1 lets us divide the variables (which
means subtract the exponents for each variable)
= 3a3b5
26. 8.A.6 DIVIDE MONOMIALS
Now You Try Some…Alone!
a) 30a6 ÷ 5a
a) 32b4m3 ÷ 8bm3
a) 16a7c3 ÷ 4a9
9b6r5 ÷ 6b2r-4
27. 8.A.6 DIVIDE MONOMIALS
Now You Try Some…Alone!
a) 30a6 ÷ 5a = 6a5
a) 32b4m3 ÷ 8bm3
a) 16a7c3 ÷ 4a9
9b6r5 ÷ 6b2r-4
28. 8.A.6 DIVIDE MONOMIALS
Now You Try Some…Alone!
a) 30a6 ÷ 5a = 6a5
a) 32b4m3 ÷ 8bm3 = 4b3m0
a) 16a7c3 ÷ 4a9
a) 9b6r5 ÷ 6b2r-4
29. 8.A.6 DIVIDE MONOMIALS
Now You Try Some…Alone!
a) 30a6 ÷ 5a = 6a5
a) 32b4m3 ÷ 8bm3 = 4b3m0 = 4b3
a) 16a7c3 ÷ 4a9
a) 9b6r5 ÷ 6b2r-4
30. 8.A.6 DIVIDE MONOMIALS
Now You Try Some…Alone!
a) 30a6 ÷ 5a = 6a5
a) 32b4m3 ÷ 8bm3 = 4b3m0 = 4b3
a) 16a7c3 ÷ 4a9 = 4a-2c3
a) 9b6r5 ÷ 6b2r-4
31. 8.A.6 DIVIDE MONOMIALS
Now You Try Some…Alone!
a) 30a6 ÷ 5a = 6a5
a) 32b4m3 ÷ 8bm3 = 4b3m0 = 4b3
a) 16a7c3 ÷ 4a9 = 4a-2c3
a) 9b6r5 ÷ 6b2r-4 = (3/2)b4r9
32. 8.A.9- DIVIDE A POLYNOMIAL BY A
MONOMIAL
This works a lot like Dividing a monomial by a
monomial
15a4b7 + 6a2b4
3ab
Break this into two separate fractions:
33. 8.A.9- DIVIDE A POLYNOMIAL BY A
MONOMIAL
This works a lot like Dividing a monomial by a
monomial
15a4b7 + 6a2b4
3ab
Break this into two separate fractions:
34. 8.A.9- DIVIDE A POLYNOMIAL BY A
MONOMIAL
This works a lot like Dividing a monomial by a
monomial
15a4b7 + 6a2b4
3ab
Break this into two separate fractions:
35. 8.A.9- DIVIDE A POLYNOMIAL BY A
MONOMIAL
15a4b7 + 6a2b4
3ab
Break this into two separate fractions:
15a4b7 = 6a2b4 =
3ab 3ab
36. 8.A.9- DIVIDE A POLYNOMIAL BY A
MONOMIAL
15a4b7 + 6a2b4
3ab
Now follow Quotient Laws!
15a4b7 = 5a3b6 6a2b4 = 2ab3
3ab 3ab
37. 8.A.9- DIVIDE A POLYNOMIAL BY A
MONOMIAL
15a4b7 = 5a3b6 6a2b4 = 2ab3
3ab 3ab
Put these two parts together, using the
operation from the original! In this case, it
was an addition problem, so the answer is…
5a3b6 + 2ab3
38. 8.A.9- DIVIDE A POLYNOMIAL BY A
MONOMIAL
One more example:
A. 18m6n9 − 24m4n7
6m2n3
39. 8.A.9- DIVIDE A POLYNOMIAL BY A
MONOMIAL
One more example:
A. 18m6n9 − 24m4n7
6m2n3
*break into two fractions!
18m6n9 = 24m4n7 =
6m2n3 6m2n3
40. 8.A.9- DIVIDE A POLYNOMIAL BY A
MONOMIAL
One more example:
A. 18m6n9 − 24m4n7
6m2n3
Follow quotient laws!
18m6n9 = 3m4n6 24m4n7 =
6m2n3 6m2n3
41. 8.A.9- DIVIDE A POLYNOMIAL BY A
MONOMIAL
One more example:
A. 18m6n9 − 24m4n7
6m2n3
Follow quotient laws
18m6n9 = 3m4n6 24m4n7 = 4m2n4
6m2n3 6m2n3
42. 8.A.9- DIVIDE A POLYNOMIAL BY A
MONOMIAL
One more example:
A. 18m6n9 − 24m4n7
6m2n3
*follow quotient laws!
18m6n9 = 3m4n6 24m4n7 = 4m2n4
6m2n3 6m2n3
*put it all together:
3m4n6 − 4m2n4
43. 8.A.9- DIVIDE A POLYNOMIAL BY A
MONOMIAL
Now You Try Alone ! And don’t forget integer
rules!
A.30a6b2 − 27a4b6
3a3b4
B. 28m5n3p4 + 32m2n5p
4mn7p3
44. 8.A.9- DIVIDE A POLYNOMIAL BY A
MONOMIAL
Let’s Go Over Them!
A.30a6b2 − 27a4b6
3a3b4
30a6b2 = 27a4b6 =
3a3b4 3a3b4
45. 8.A.9- DIVIDE A POLYNOMIAL BY A
MONOMIAL
Let’s Go Over Them!
A.30a6b2 − 27a4b6
3a3b4
30a6b2 = 10a3b-2 27a4b6 =
3a3b4 3a3b4
46. 8.A.9- DIVIDE A POLYNOMIAL BY A
MONOMIAL
Let’s Go Over Them!
A.30a6b2 − 27a4b6
3a3b4
30a6b2 = 10a3b-2 27a4b6 = 9ab2
3a3b4 3a3b4
47. 8.A.9- DIVIDE A POLYNOMIAL BY A
MONOMIAL
Let’s Go Over Them!
A. 30a6b2 − 27a4b6
3a3b4
30a6b2 = 10a3b-2 27a4b6 = 9ab2
3a3b4 3a3b
10a3b-2 − 9ab2
48. 8.A.9- DIVIDE A POLYNOMIAL BY A
MONOMIAL
Now You Try! And don’t forget integer rules!
B. 28m5n3p4 + 32m2n5p
4mn7p3
49. 8.A.9- DIVIDE A POLYNOMIAL BY A
MONOMIAL
Let’s Go Over Them!
B. 28m5n3p4 + 32m2n5p
4mn7p3
*Break into 2 fractions
28m5n3p4 32m2n5p
4mn7p3 4mn7p3
50. 8.A.9- DIVIDE A POLYNOMIAL BY A
MONOMIAL
Let’s Go Over Them!
B. 28m5n3p4 + 32m2n5p
4mn7p3
*Break into 2 fractions
28m5n3p4 = 7m4n-4p 32m2n5p =
4mn7p3 4mn7p3
51. 8.A.9- DIVIDE A POLYNOMIAL BY A
MONOMIAL
Let’s Go Over Them!
B. 28m5n3p4 + 32m2n5p
4mn7p3
*Break into 2 fractions
28m5n3p4 = 7m4n-4p 32m2n5p = 8mn-2p-2
4mn7p3 4mn7p3
52. 8.A.9- DIVIDE A POLYNOMIAL BY A
MONOMIAL
Let’s Go Over Them!
B. 28m5n3p4 + 32m2n5p
4mn7p3
*Break into 2 fractions
28m5n3p4 = 7m4n-4p 32m2n5p = 8mn-2p-2
4mn7p3 4mn7p3
7m4n-4p + 8mn-2p-2
53. 8.A.9- DIVIDE A POLYNOMIAL BY A
MONOMIAL
On loose leaf! On your own! Show the broken up
fractions!
1. 36a5b7 + 12a3b4
6ab4
2. 21c8d4 − 35c9d
7c8d3
3. 40a6c5 + 60a2c7
20ac4
54. 8.A.9- DIVIDE A POLYNOMIAL BY A
MONOMIAL
Let’s go over them…
1. 36a5b7 + 12a3b4 = 6a4b3 + 2a2
6ab4
2. 21c8d4 − 35c9d
7c8d3
3. 40a6c5 + 60a2c7
20ac4
55. 8.A.9- DIVIDE A POLYNOMIAL BY A
MONOMIAL
Let’s go over them…
1. 36a5b7 + 12a3b4 = 6a4b3 + 2a2
6ab4
2. 21c8d4 − 35c9d = 3d − 5cd-2
7c8d3
3. 40a6c5 + 60a2c7
20ac4
56. 8.A.9- DIVIDE A POLYNOMIAL BY A
MONOMIAL
Let’s go over them…
1. 36a5b7 + 12a3b4 = 6a4b3 + 2a2
6ab4
2. 21c8d4 − 35c9d = 3d − 5cd-2
7c8d3
3. 40a6c5 + 60a2c7 = 2a5c + 3ac3
20ac4
57. 8.A.8- MULTIPLY A BINOMIAL BY A
MONOMIAL
5(4 + 7) =
There are two ways to evaluate this equation.
1. PEMDAS
1. Distributive Property 5(4+7)
58. 8.A.8- MULTIPLY A BINOMIAL BY A
MONOMIAL
5(4 + 7) =
There are two ways to evaluate this equation.
1. PEMDAS
Parentheses: 4+7 =11
1. Distributive Property 5(4+7)
59. 8.A.8- MULTIPLY A BINOMIAL BY A
MONOMIAL
5(4 + 7) =
There are two ways to evaluate this equation.
1. PEMDAS
Parentheses: 4+7 =11
Multiplication: 5(11) = 55
1. Distributive Property 5(4+7)
60. 8.A.8- MULTIPLY A BINOMIAL BY A
MONOMIAL
5(4 + 7) =
There are two ways to evaluate this equation.
1. PEMDAS
Parentheses: 4+7 =11
Multiplication: 5(11) = 55
1.Distributive Property 5(4+7) = 5(4) +
61. 8.A.8- MULTIPLY A BINOMIAL BY A
MONOMIAL
5(4 + 7) =
There are two ways to evaluate this equation.
1. PEMDAS
Parentheses: 4+7 =11
Multiplication: 5(11) = 55
1. Distributive Property 5(4+7) = 5(4) + 5(7)
62. 8.A.8- MULTIPLY A BINOMIAL BY A
MONOMIAL
5(4 + 7) =
There are two ways to evaluate this equation.
1. PEMDAS
Parentheses: 4+7 =11
Multiplication: 5(11) = 55
1. Distributive Property 5(4+7) = 5(4) + 5(7)
= 20 + 35
63. 8.A.8- MULTIPLY A BINOMIAL BY A
MONOMIAL
5(4 + 7) =
There are two ways to evaluate this equation.
1. PEMDAS
Parentheses: 4+7 =11
Multiplication: 5(11) = 55
1. Distributive Property 5(4+7) = 5(4) + 5(7)
= 20 + 35
= 55
64. 8.A.8- MULTIPLY A BINOMIAL BY A
MONOMIAL
Remember the Distributive Property (the
milkman delivers to each house separately):
a(b + c) = ab +ac
5(c − 6d) =
-4a(7 + 6d) =
65. 8.A.8- MULTIPLY A BINOMIAL BY A
MONOMIAL
Remember the Distributive Property (the
milkman delivers to each house separately):
a(b + c) = ab +ac
5(c − 6d) = 5c
-4a(7 + 6d) =
66. 8.A.8- MULTIPLY A BINOMIAL BY A
MONOMIAL
Remember the Distributive Property (the
milkman delivers to each house separately):
a(b + c) = ab +ac
5(c − 6d) = 5c − 30d
and these are not like terms, so this is the
final answer!
-4a(7 + 6d) =
67. 8.A.8- MULTIPLY A BINOMIAL BY A
MONOMIAL
Remember the Distributive Property (the
milkman delivers to each house separately):
a(b + c) = ab +ac
5(c − 6d) = 5c − 30d
and these are not like terms, so this is the
final answer!
-4a(7 + 6d) = -28a
68. 8.A.8- MULTIPLY A BINOMIAL BY A
MONOMIAL
Remember the Distributive Property (the
milkman delivers to each house separately):
a(b + c) = ab +ac
5(c − 6d) = 5c − 30d
and these are not like terms, so this is the
final answer!
-4a(7 + 6d) = -28a − 24ad
69. 8.A.8- MULTIPLY A BINOMIAL BY A
MONOMIAL
Some Examples:
1.5z(a2 − 3b)
1.4r3(8r + 7)
1.6b2(7b + 3b)
70. 8.A.8- MULTIPLY A BINOMIAL BY A
MONOMIAL
Some Examples:
1.5z(a2 − 3b) = 5za2 − 15zb
1.4r3(8r + 7)
1.6b2(7b + 3b)
71. 8.A.8- MULTIPLY A BINOMIAL BY A
MONOMIAL
Some Examples:
1.5z(a2 − 3b) = 5za2 − 15zb
2.4r3(8r + 7) = 32r4 + 28r3
Don’t forget about product law! These aren’t like terms!!
1.6b2(7b + 3b)
72. 8.A.8- MULTIPLY A BINOMIAL BY A
MONOMIAL
Some Examples:
1.5z(a2 − 3b) = 5za2 − 15zb
2.4r3(8r + 7) = 32r4 + 28r3
Don’t forget about product law! These aren’t like terms!!
1.6b2(7b + 3b)= 42b3 + 18b3
73. 8.A.8- MULTIPLY A BINOMIAL BY A
MONOMIAL
Some Examples:
1.5z(a2 − 3b) = 5za2 − 15zb
2.4r3(8r + 7) = 32r4 + 28r3
Don’t forget about product law! These aren’t like terms!!
1.6b2(7b + 3b)= 42b3 + 18b3 = 60b3
These are like terms!
74. 8.A.8- MULTIPLY A BINOMIAL BY A
MONOMIAL
Now you try some… ALONE!
1. -4c(7 − 6d)
2.8m(6m4 + m5)
3. -7a(4 − a)
4.9b3 (7ab − 4ab4)
75. 8.A.8- MULTIPLY A BINOMIAL BY A
MONOMIAL
Now you try some… ALONE!
1. -4c(7 − 6d) = -28c + 24cd
2.8m(6m4 + m5)
3. -7a(4 − a)
4.9b3 (7ab − 4ab4)
76. 8.A.8- MULTIPLY A BINOMIAL BY A
MONOMIAL
Now you try some… ALONE!
1. -4c(7 − 6d) = -28c + 24cd
*NB: a negative times a negative is a positive
1.8m(6m4 + m5)
2. -7a(4 − a)
3.9b3 (7ab − 4ab4)
77. 8.A.8- MULTIPLY A BINOMIAL BY A
MONOMIAL
Now you try some… ALONE!
1. -4c(7 − 6d) = -28c + 24cd
*NB: a negative times a negative is a positive
8m(6m4 + m5) = 48m5 + 8m6
-7a(4 − a)
9b3 (7ab − 4ab4)
78. 8.A.8- MULTIPLY A BINOMIAL BY A
MONOMIAL
Now you try some… ALONE!
1. -4c(7 − 6d) = -28c + 24cd
*NB: a negative times a negative is a positive
1.8m(6m4 + m5) = 48m5 + 8m6
2. -7a(4 − a) = -28a +7a2
3.9b3 (7ab − 4ab4)
79. 8.A.8- MULTIPLY A BINOMIAL BY A
MONOMIAL
Now you try some… ALONE!
1. -4c(7 − 6d) = -28c + 24cd
*NB: a negative times a negative is a positive
1.8m(6m4 + m5) = 48m5 + 8m6
2. -7a(4 − a) = -28a +7a2
3.9b3 (7ab − 4ab4) = 63ab4 − 36ab7
80. 8.A.8- MULTIPLY A BINOMIAL BY A
BINOMIAL
(n+4) (n−5)
For problems like this, we will learn
about an important acronym : FOIL
Basically you use the distributive
property twice.
82. 8.A.8- MULTIPLY A BINOMIAL BY A
BINOMIAL
(n+4) (n−5)
F- firsts n n = n2
83. 8.A.8- MULTIPLY A BINOMIAL BY A
BINOMIAL
(n+4) (n−5)
F- firsts n n = n2
O- outers n -5 = -5n
84. 8.A.8- MULTIPLY A BINOMIAL BY A
BINOMIAL
(n+4) (n−5)
F- firsts n n = n2
O- outers n -5 = -5n
I- inners 4 n = 4n
85. 8.A.8- MULTIPLY A BINOMIAL BY A
BINOMIAL
(n+4) (n−5)
F- firsts n n = n2
O- outers n -5 = -5n
I- inners 4 n = 4n
L- lasts 4 -5 = -20
86. 8.A.8- MULTIPLY A BINOMIAL BY A
BINOMIAL
(n+4) (n−5)
F- firsts n n = n2
O- outers n -5 = -5n like terms
I- inners 4 n = 4n = -n
L- lasts 4 -5 = -20
87. 8.A.7 ADD AND SUBTRACT
POLYNOMIALS
(n+4) (n−5)
F- firsts n n = n2
O- outers n -5 = -5n like terms
I- inners 4 n = 4n = -n
L- lasts 4 -5 = -20
So final answer: n2 − n − 20
(the signs become the operators!)
89. 8.A.8- MULTIPLY A BINOMIAL BY A
BINOMIAL
(a+2) (a+6)
F- firsts a a= a2
90. 8.A.8- MULTIPLY A BINOMIAL BY A
BINOMIAL
(a+2) (a+6)
F- firsts a a = a2
O- outers a 6 = 6a
91. 8.A.8- MULTIPLY A BINOMIAL BY A
BINOMIAL
(a+2) (a+6)
F- firsts a a = a2
O- outers a 6 = 6a
I- inners 2 a = 2a
92. 8.A.8- MULTIPLY A BINOMIAL BY A
BINOMIAL
(a+2) (a+6)
F- firsts a a = a2
O- outers a 6 = 6a
I- inners 2 a = 2a
L- lasts 2 6 = 12
93. 8.A.8- MULTIPLY A BINOMIAL BY A
BINOMIAL
(a+2) (a+6)
F- firsts a a = a2
O- outers a 6 = 6a like terms
I- inners 2 a = 2a = 8a
L- lasts 2 6 = 12
94. 8.A.8- MULTIPLY A BINOMIAL BY A
BINOMIAL
(a+2) (a+6)
F- firsts a a = a2
O- outers a 6 = 6a like terms
I- inners 2 a = 2a = 8a
L- lasts 2 6 = 12
So final answer: a2 + 8a + 12
(the signs become the operators!)
95. 8.A.8- MULTIPLY A BINOMIAL BY A
BINOMIAL
1. (a+3)(a−5)
2. (b−4)(b−3)
3. (c+6)(c−4)
4. (d−5)(d+5)
5. (3e+4)(2e−2)
96. 8.A.8- MULTIPLY A BINOMIAL BY A
BINOMIAL
1. (a+3)(a−5) = a2 − 2a − 15
2. (b−4)(b−3)
3. (c+6)(c−4)
4. (d−5)(d+5)
5. (3e+4)(2e−2)
97. 8.A.8- MULTIPLY A BINOMIAL BY A
BINOMIAL
1. (a+3)(a−5) = a2 − 2a − 15
2. (b−4)(b−3) = b2 − 7b + 12
3. (c+6)(c−4)
4. (d−5)(d+5)
5. (3e+4)(2e−2)
122. 8.A.7 ADD AND SUBTRACT
POLYNOMIALS
The main concept is Like Terms: matching
variables (including their exponents)
LIKE: can be combined! Rules of exponents don’t
come into play because you’re not x/÷. Leave
variables as is!!
ax + 5ax
NON-LIKE
123. 8.A.7 ADD AND SUBTRACT
POLYNOMIALS
The main concept is Like Terms: matching
variables (including their exponents)
LIKE: can be combined! Rules of exponents don’t
come into play because you’re not x/÷. Leave
variables as is!!
ax + 5ax = 6ax
2b2 + 6b2
NON-LIKE
124. 8.A.7 ADD AND SUBTRACT
POLYNOMIALS
The main concept is Like Terms: matching
variables (including their exponents)
LIKE: can be combined! Rules of exponents don’t
come into play because you’re not x/÷. Leave
variables as is!!
ax + 5ax = 6ax
2b2 + 6b2 = 8b2
NON-LIKE
125. 8.A.7 ADD AND SUBTRACT
POLYNOMIALS
The main concept is Like Terms: matching
variables (including their exponents)
LIKE: can be combined! Rules of exponents don’t
come into play because you’re not x/÷. Leave
variables as is!!
ax + 5ax = 6ax
2b2 + 6b2 = 8b2
-3acd − 4acd
NON-LIKE
126. 8.A.7 ADD AND SUBTRACT
POLYNOMIALS
The main concept is Like Terms: matching
variables (including their exponents)
LIKE: can be combined! Rules of exponents don’t
come into play because you’re not x/÷. Leave
variables as is!!
ax + 5ax = 6ax
2b2 + 6b2 = 8b2
-3acd − 4acd = -7acd
NON-LIKE
127. 8.A.7 ADD AND SUBTRACT
POLYNOMIALS
The main concept is Like Terms: matching
variables (including their exponents)
LIKE: can be combined! Rules of exponents don’t
come into play because you’re not x/÷. Leave
variables as is!!
ax + 5ax = 6ax
2b2 + 6b2 = 8b2
-3acd − 4acd = -7acd
NON-LIKE: can’t be combined!
128. 8.A.7 ADD AND SUBTRACT
POLYNOMIALS
The main concept is Like Terms: matching variables
(including their exponents)
LIKE: can be combined! Rules of exponents don’t
come into play because you’re not x/÷. Leave variables
as is!!
ax + 5ax = 6ax
2b2 + 6b2 = 8b2
-3acd − 4acd = -7acd
NON-LIKE: can’t be combined!
5x – 4y
129. 8.A.7 ADD AND SUBTRACT
POLYNOMIALS
The main concept is Like Terms: matching variables
(including their exponents)
LIKE: can be combined! Rules of exponents don’t
come into play because you’re not x/÷. Leave variables
as is!!
ax + 5ax = 6ax
2b2 + 6b2 = 8b2
-3acd − 4acd = -7acd
NON-LIKE: can’t be combined!
5x – 4y
4a3 + 3a
130. COMBINING LIKE TERMS
Always simplify to the minimum number of
terms
Constants can be combined
131. COMBINING LIKE TERMS
Always simplify to the minimum number of
terms
Use the sign in front of the term as the operator
Constants can be combined
Examples:
1) 5x – 6 + 2x =
132. COMBINING LIKE TERMS
Always simplify to the minimum number of
terms
Use the sign in front of the term as the operator
Constants can be combined
Examples:
1) 5x – 6 + 2x = 7x – 6
133. COMBINING LIKE TERMS
Always simplify to the minimum number of
terms
Use the sign in front of the term as the operator
Constants can be combined
Examples:
1) 5x – 6 + 2x = 7x – 6
2) -8 + 4g – 5 + 2g=
134. COMBINING LIKE TERMS
Always simplify to the minimum number of
terms
Use the sign in front of the term as the operator
Constants can be combined
Examples:
1) 5x – 6 + 2x = 7x – 6
2) -8 + 4g – 5 + 2g= 6g – 13
135. COMBINING LIKE TERMS
Always simplify to the minimum number of
terms
Use the sign in front of the term as the operator
Constants can be combined
Examples:
1) 5x – 6 + 2x = 7x – 6
2) -8 + 4g – 5 + 2g= 6g – 13
3) 3(5 + m) + 4 – 5m=
136. COMBINING LIKE TERMS
Always simplify to the minimum number of
terms
Use the sign in front of the term as the operator
Constants can be combined
Examples:
1) 5x – 6 + 2x = 7x – 6
2) -8 + 4g – 5 + 2g= 6g – 13
3) 3(5 + m) + 4 – 5m=
15 + 3m + 4 – 5m =
137. COMBINING LIKE TERMS
Always simplify to the minimum number of
terms
Use the sign in front of the term as the operator
Constants can be combined
Examples:
1) 5x – 6 + 2x = 7x – 6
2) -8 + 4g – 5 + 2g= 6g – 13
3) 3(5 + m) + 4 – 5m=
15 + 3m + 4 – 5m = 19 – 2m
146. 8.A.7 ADD POLYNOMIALS
Line up like terms vertically!!
(8a4 + 2a6) + (5a4 + 3a6)
(6b3 + 2b) + (5b − 4b3)
147. 8.A.7 ADD POLYNOMIALS
Line up like terms vertically!!
(8a4 + 2a6) + (5a4 + 3a6)
+ 5a4 + 3a6
(6b3 + 2b) + (5b − 4b3)
148. 8.A.7 ADD POLYNOMIALS
Line up like terms vertically!!
(8a4 + 2a6) + (5a4 + 3a6)
+ 5a4 + 3a6
(6b3 + 2b) + (5b − 4b3)
149. 8.A.7 ADD POLYNOMIALS
Line up like terms vertically!!
(8a4 + 2a6) + (5a4 + 3a6)
+ 5a4 + 3a6
13a4 + 5a6
(6b3 + 2b) + (5b − 4b3)
150. 8.A.7 ADD POLYNOMIALS
Line up like terms vertically!!
(8a4 + 2a6) + (5a4 + 3a6)
+ 5a4 + 3a6
13a4 + 5a6 This can’t be simplified further
(6b3 + 2b) + (5b − 4b3)
151. 8.A.7 ADD POLYNOMIALS
Line up like terms vertically!!
(8a4 + 2a6) + (5a4 + 3a6)
+ 5a4 + 3a6
13a4 + 5a6 This can’t be simplified further
(6b3 + 2b) + (5b − 4b3)
152. 8.A.7 ADD POLYNOMIALS
Line up like terms vertically!!
(8a4 + 2a6) + (5a4 + 3a6)
+ 5a4 + 3a6
13a4 + 5a6 This can’t be simplified further
(6b3 + 2b) + (5b − 4b3)
−4b3 + 5b
153. 8.A.7 ADD POLYNOMIALS
Line up like terms vertically!!
(8a4 + 2a6) + (5a4 + 3a6)
+ 5a4 + 3a6
13a4 + 5a6 This can’t be simplified further
(6b3 + 2b) + (5b − 4b3)
−4b3 + 5b It switches to line up like terms
154. 8.A.7 ADD POLYNOMIALS
Line up like terms vertically!!
(8a4 + 2a6) + (5a4 + 3a6)
+ 5a4 + 3a6
13a4 + 5a6 This can’t be simplified further
(6b3 + 2b) + (5b − 4b3)
−4b3 + 5b It switches to line up like terms
2b3 + 7b
157. 8.A.7 ADD POLYNOMIALS
Line up like terms vertically!!
(8c5 + 3c) + (-5c5 + 6c2)
-5c5 + 6c2
158. 8.A.7 ADD POLYNOMIALS
Line up like terms vertically!!
(8c5 + 3c) + (-5c5 + 6c2)
-5c5 + 6c2
159. 8.A.7 ADD POLYNOMIALS
Line up like terms vertically!!
(8c5 + 3c) + (-5c5 + 6c2)
–5c5 + 6c2
160. 8.A.7 ADD POLYNOMIALS
Line up like terms vertically!!
(8c5 + 3c) + (-5c5 + 6c2)
–5c5 + 6c2
3c5 + 3c + 6c2
161. 8.A.7 ADD POLYNOMIALS
Line up like terms vertically!!
(8c5 + 3c) + (-5c5 + 6c2)
–5c5 + 6c2 So if there’s no like term, leave
3c5 + 3c + 6c2 a gap
174. 8.A.7 SUBTRACT POLYNOMIALS
(8a2b + 5a) – (5a2b + 2a)
Remember! K C C
The operator changes to addition and then all the signs of the
terms on the inside change !
(8a2b + 5a) – (5a2b + 2a)
175. 8.A.7 SUBTRACT POLYNOMIALS
(8a2b + 5a) – (5a2b + 2a)
Remember! K C C
The operator changes to addition and then all the signs of the
terms on the inside change !
(8a2b + 5a) – (5a2b + 2a)
+
176. 8.A.7 SUBTRACT POLYNOMIALS
(8a2b + 5a) – (5a2b + 2a)
Remember! K C C
The operator changes to addition and then all the signs of the
terms on the inside change !
(8a2b + 5a) – (5a2b + 2a)
+ (-5a2b
177. 8.A.7 SUBTRACT POLYNOMIALS
(8a2b + 5a) – (5a2b + 2a)
Remember! K C C
The operator changes to addition and then all the signs of the
terms on the inside change !
(8a2b + 5a) – (5a2b + 2a)
+ (-5a2b – 2a)
178. 8.A.7 SUBTRACT POLYNOMIALS
(8a2b + 5a) – (5a2b + 2a)
Remember! K C C
The operator changes to addition and then all the signs of the
terms on the inside change !
(8a2b + 5a) – (5a2b + 2a)
+ (-5a2b – 2a)
179. 8.A.7 SUBTRACT POLYNOMIALS
(8a2b + 5a) – (5a2b + 2a)
Remember! K C C
The operator changes to addition and then all the signs of the
terms on the inside change !
(8a2b + 5a) – (5a2b + 2a)
+ (-5a2b – 2a)
180. 8.A.7 SUBTRACT POLYNOMIALS
(8a2b + 5a) – (5a2b + 2a)
Remember! K C C
The operator changes to addition and then all the signs of the
terms on the inside change !
(8a2b + 5a) – (5a2b + 2a)
+ (-5a2b – 2a)
+ (-5a2b – 2a)
181. 8.A.7 SUBTRACT POLYNOMIALS
(8a2b + 5a) – (5a2b + 2a)
Remember! K C C
The operator changes to addition and then all the signs of the
terms on the inside change !
(8a2b + 5a) – (5a2b + 2a)
+ (-5a2b – 2a)
+ (-5a2b – 2a)
3a2b
182. 8.A.7 SUBTRACT POLYNOMIALS
(8a2b + 5a) – (5a2b + 2a)
Remember! K C C
The operator changes to addition and then all the signs of the
terms on the inside change !
(8a2b + 5a) – (5a2b + 2a)
+ (-5a2b – 2a)
+ (-5a2b – 2a)
3a2b + 3a
197. 8.A.7 SUBTRACT POLYNOMIALS
(15c3m – 4c2 + 8m) – (9c3m – 10m)
K C C
+ (-9c3m +10m)
+ (-9c3m +10m) Remember to line up like terms!
6c3m – 4c2 + 18m