Math Models Unit 2 Lesson 10

4. x² + 4x + 9 + ( -9) = x² + 4x + 0 is an example of the _____ property.

additive inverse

5. The _____ property allows you to regroup terms using parentheses.

associative

10. The _____ property allows multiplication or addition in any order.

commutative

5(x + 2) = 5x + 10 is an example of the _____ property.

distributive

9. The solution set of {0, 3} for x (x - 3) = 0 is an example of the _____ of zero.

multiplication property

6. Since √2/√2 = 1, 3/√2 = 3/√2 x √2/√2 is an example of the _____ property.

multiplicative identity

1. When two lines are _____, their slopes are the same and they never intersect.

parrallel

3. A right angle is formed by two _____ lines.

perpendicular

7. The equation 3x + 2 = 3x + 2 is an example of the _____ of equality.

reflexive property

8. If x = 2 then 2 = x is an example of the _____ of equality.

symmetric property