Multiply and Simplify. Assume all variables represent nonzero numbers.

1)

Identify the degree of each term of the polynomial and the degree of the polynomial.

2)

What is the degree of the first term? 3

What is the degree of the second term? 2

What is the degree of the third term? 1

What is the degree of the fourth term? 0

What is the degree of the polynomial? 3

Perform the indicated operations and simplify.

3)

Use rational exponents to simplify.

4) x2

5) Television sets. What does it mean to refer to a 20-in TV set or a 25-in TV set? Such units refer to the diagonal screen. A 15-in TV set has a width of 12 inches. What is its height? 9

6) Add. Simplify your answer.

r5 - 3r4 4r3 12r2 5r - 9

Solve. Choose from the 3 answers below and if necessary finish the...