Solve. Give exact solutions.
-$$x ^ { 2 } = 100$$
A) 50
B) $\pm 11$
C) $\pm 10$
D) 10

Name: Solve. Give exact solutions. -\[x ^ { 2 } = 100\] A) 50 B) $\pm 11$ C) $\pm 10$ D) 10
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Question

Quizplus · Accepted Answer

Taking the square root of both sides gives us $x=\pm 10$. However, we are asked for exact solutions, and $10$ is an exact solution while $\pm 10$ is not. Therefore, the best choice is C) $\pm 10$.

Solve Give Exact Solutions x2=100x ^ { 2 } = 100x2=100

Solve Give Exact Solutions $x ^ { 2 } = 100$