1. Lesson 3­1.notebook September 23, 2013
Assignment:
1­­>L3.1, pg. 157 ­ 158, #7 ­ 11 all & #24 ­ 34 evens ­ Due Tomorrow (9/24)

2. Lesson 3­1.notebook September 23, 2013
Lesson 3.1 WarmUp:
Translate the sentence into an equation.
1) The quotient of 25 and t plus 6 is the same as twice t
plus 1.
Translate the equation into a sentence.
2) 3(g + 8) = 4h ­ 10
Solve the equation. Show all steps.
3) ­1/5 ­ 4/9x = 2/15
4) Find the sum of 3 consecutive odd integers if the sum
of the first 2 integers is equal to 24 less than four times the
third integer.
Write an equation involving absolute value for the graph.
5)
­7 ­6 ­5 ­4­3 ­2 ­1 2 30 1

3. Lesson 3­1.notebook September 23, 2013

4. Lesson 3­1.notebook September 23, 2013
Lesson 3.1:
*linear equation ­ an equation that forms a line when it is graphed
*standard form ­ a linear equation that is written in the form:
Ax + By = C
*x­intercept ­ the x­coordinate of the point at which the graph of an equation
intersects the x­axis
*y­intercept ­ the y­coordinate of the point at which the graph of an equation
intersects the y­axis
variable terms constant

5. Lesson 3­1.notebook September 23, 2013
*FYI:
To find the x­intercept:
...plug in zero for y ­ and solve for x!
To find the y­intercept:
...plug in zero for x ­ and solve for y!
To graph a linear equation...
­­find the x and y intercepts
­­make a table of values

6. Lesson 3­1.notebook September 23, 2013
Lesson 3.1 examples:
Graph the following by finding the x and y intercepts.
A) 2x + 4y = 16
X
Y

7. Lesson 3­1.notebook September 23, 2013
X
YB) ­x + 2y = 3

8. Lesson 3­1.notebook September 23, 2013
Graph the following by making a table.
C) y = 2x ­ 3
X
Y

9. Lesson 3­1.notebook September 23, 2013
D) x = 3
X
Y

10. Lesson 3­1.notebook September 23, 2013
X
Y
E) y = ­2

11. Lesson 3­1.notebook September 23, 2013
F) x + 2y = 4
X
Y