1. What is the degree of the monomial? 4x6

A. 4
B. 10
C. 6
D. 24

2. What is the degree of the monomial? –2

A. –2
B. –3
C. 0
D. –1

3. What is the sum or difference? 5x8 + 9x8

A. 45x8
B. –4x8
C. 14x16
D. 14x8

4. What is the sum or difference? 5y4 – 9y4

A. –45y4
B. 14y4
C. –4y4
D. –4y8

5. Write the polynomial in standard form. Then name the polynomial based on its degree and number of terms. 5x + 2x4 – 4

A. 5x – 4 + 2x4; not a polynomial
B. 2x4 + 5x – 4; fourth-degree