Question

Solve.

x2-49 = 0


A)
±49


B)
±12


C)
±7


D)
±6
@Lily2913

Answer 1

C.

Answer 2

x^2 = 49
\[x=\sqrt{49}\]
\[x = \pm7\]

Answer 3

Add 49 to both sides. so now you have x = \[\sqrt{49}\] and the square of 49 is 7