Solve the equation. $x ^ { 2 } - 324 = 0$
A) $x = 334$
B) $x = 1$
C) $x = \pm 324$
D) $x = \pm 18$
E) none of these

Name: Solve the equation. $x ^ { 2 } - 324 = 0$ A) $x = 334$ B) $x = 1$ C) $x = \pm 324$ D) $x = \pm 18$ E) none of these
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Question

Quizplus · Accepted Answer

Using the square root property, we get:
$x^2=324$
$x=\pm\sqrt{324}$
$x=\pm18$
Option D is the only one that includes both possible values of x.

Solve the Equation x2−324=0x ^ { 2 } - 324 = 0x2−324=0

Solve the Equation $x ^ { 2 } - 324 = 0$