Question

Solve the quadratic equation. (x + 6)2 = 49

A) x = -7 or 1
B) x = 13 or -1
C) x = 1 or -13
D) x = ± 7

Answer 1

C

Explanation:

To solve, use inverse operations:

`(x+6)^2=49\\√((x+6)^2) =√(49) \\x+6=+/-7`

Now we solve for both +/- 7.

x+6=7

x=1

x+6=-7

x=-13