1. List the conditions under which each statement is true. Then give an example that verifies your conditions.

a. ab is positive

b. ab is negative

c. ab is equal to 0

2.Explain what you can conclude about a if each statement is true.

a. a is positive

b. ais positive

c. ais negative

3. In a = -2, which is greater, a + a or -4?

Find each product.

4. 6 (-3)

5. (7/3)(7/3)

Evaluate each expression if x = 1/2 and y = -2/3

6. 3y - 4x

7.xy

Simplify

8. 5s(-6t) + 2s(-8t)

9.6x(-7y) + (-3x)(-5y)

10.

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