Use the square root method to solve the equation. $$x ^ { 2 } = 16$$
A) $\pm 4$
B) $1$
C) $4$
D) $- 1$
E) $- 4$

Name: Use the square root method to solve the equation. \[x ^ { 2 } = 16\] A) $\pm 4$ B) $1$ C) $4$ D) $- 1$ E) $- 4$
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Question

Quizplus · Accepted Answer

To use the square root method, we take the square root of both sides of the equation. Remembering to consider both the positive and negative square roots, we get $x=\pm\sqrt{16}=\pm4$. Therefore, the correct answer is A) $\pm 4$.

Use the Square Root Method to Solve the Equation x2=16x ^ { 2 } = 16x2=16

Use the Square Root Method to Solve the Equation $x ^ { 2 } = 16$