Question

Please help me!!

Which of the following is the solution set for the equation |p−2|=7?
{ −5, 9}
{ −9, 9}
{ −5 }
{9}

Answer 1

9the only correct answer is 9

Answer 2

A

Explanation:

p-2 ≥ 0

p ≥ 2

if p ≥ 2

p - 2 = 7

p = 9 (accettable)

if p < 2

-p+2 = 7

p = -5 (accettable)