Question

What are the solutions to the equation y² –5 = 31?
Choose all answers that are correct.
A. 18
B. 6
C. –18
D. –6

Answer 1

y^2-5=31  add 5 to both sides

y^2=36  take the square root of both sides..

y=±√36

y=±6

y=-6 and 6 so B and D is the answer.

Answer 2

The answer should be B and D