Question

1. Which expression is equivalent to 9k + 16? Explain why.

A 4 + 5k + 10 +6
B 4 + 3k + 2k + 10 +6
C2k +7 + 10 + 6
D 3k + 4k + 2k + 10 +6

Answer 1

D

Explanation:

3k +4k+2k+10+6

Collect like terms

9k +16

Answred Gauthmath

Answer 2

D 3k + 4k + 2k + 10 +6

Explanation:

A 4 + 5k + 10 +6 Combine like terms

5k+ 20 not equal

B 4 + 3k + 2k + 10 +6 Combine like terms

5k +20

C 2k +7 + 10 + 6 Combine like terms

2k + 23

D 3k + 4k + 2k + 10 +6 Combine like terms

9k+ 16