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.