Question

6. What are the solutions for p2 - 16 = 0 ? A) {-4,4} B) {4} C) {-8, 8} D) {8}

Answer 1

Answer:

A

Step-by-step explanation:

Given

p² - 16 = 0 ( add 16 to both sides )

p² = 16 ( take the square root of both sides )

p = ± $\sqrt{16}$ = ± 4

Thus solution is { - 4, 4 } → A