If p = -3 and q = 4, what is the value of 2p²-3q+10?
Show answer & explanation
Correct answer: A
Explanation
Given:
p = −3
q = 4
By the formula:
2p² − 3q + 10
p² = (−3) × (−3) = 9
2p² = 2 × 9 = 18
3q = 3 × 4 = 12
Now,
2p² − 3q + 10
= 18 − 12 + 10
= 6 + 10 = 16