Question

Solve x^2 − 10 = 0. If necessary, round to the nearest hundredth. PLEASE HELP!!

A. 100
B. There is no solution as you cannot take the square root of a negative number.
C. ±20
D. ±3.16

Answer 1

±3.16

Explanation:

x2 − 10 = 0

x2 = 10

Add 10 to both sides.

x = ±10−−√

Take the square root of both sides.

x ≈ ±3.16

Answer 2

Your answer is D. ~ 3.16