Question

4. The area of a rectangle is x² + 5x - 24. Which of the following could be one of the dimensions?

O(x-8)
O(x-6)
O(x+8)
O(x-4)

Answer 1

the correct answer is c (x+8)

Explanation:

x+8=0

=x= -8

put x= -8 in the given polynomial

(-8)²+5(-8)-24

= 64-40-24

=24-24= 0