Question

WORTH 20 POINTS PLEASE!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

What are the solutions to the equation x2 - 49 = 0 ? = 0 ? Select all that apply.
a.) -7
b.) 1
c.) -1
d.) 49
e.) 7

Answer 1

x=-7, 7. Answers: A & E.

Explanation:

x^2-49=0

(x+7)(x-7)=0

x+7=0, x-7=0,

x=0-7=-7,

x=0+7=7.

Answer 2

-7, and -1.

Explanation:

once that gets subtracted, it becomes a negative.

your answers will be -7 and -1.

hope this helps.