Question

Suppose a2 - 64 represents the area of a rectangle. If the length is represented by a + 8, what would represent the width? A) a - 8 B) a + 8 C) (a + 8)(a - 8) D) (a - 8)(a + 8)

Answer 1

Area = L * W

a^2 - 64 = (a + 8)(a - 8)
a^2 - 64 = a^2 - 64

so ur answer is : width = (a - 8)