4. Common Difference: The fixed number added to each term of an arithmetic sequence. The common difference is 3 in the arithmetic sequence 4, 7, 10, 13…
5. Direct Variation: A Linear function that can be expressed in the form y=kx , where k Doesn't equal 0. Y=18x
8. Geometric Sequence: A number sequence formed by mult. A term in a sequence by a fixed number to find the next term. 9, 3, 1, 1/3
9. Hypothesis: The part following if in a conditional. If the conditional “If an animal has four legs, Then it is a horse,” the hypothesis is “an animal has four legs”.
10. Integers: The whole numbers and their opposites. … -3, -2,-1, 0, 1, 2, 3,…..
11. Jump Point : Is a starting number in a mathematical sequence 1, 2, 3, 4, 5, 6, 7,…… The red number is the jump point.
12. Kilograms: The metric prefix for 1,000. For Example when the drug dealers bag up their drugs up. They use kilograms to see how much goes in each little baggie.
13. Like Terms: Terms with exactly the same variables factors in a variable expressions. 4y and 16y
14. Median: The middle value in an ordered set of numbers. 7, 10, 11, 12, 12, 12,13 The median is 12.
16. Opposite: A number that is the same distance from zero on the number line as a given number, but lies in the opposite direction. -3 is the opposite is 3
17. Perfect square trinomial: Any trinomial of the form a2 + 2ab + b2 Or a 2 - 2ab + b2 ( x + 3)2 = x2 + 6x + 9
18. Quadratic Equation: An equation you can write in the standard form ax2 + bx + c = 0 , where a≠ 0. 4x2 + 9x – 5 = 0