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