Simplify the expression.
-$\sqrt { 49 x ^ { 2 } }$
A) $- 7 x$
B) $49 x$
C) $7 x ^ { 2 }$
D) $7 | x |$

Name: Simplify the expression. -$\sqrt { 49 x ^ { 2 } }$ A) $- 7 x$ B) $49 x$ C) $7 x ^ { 2 }$ D) $7 | x |$
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Question

Quizplus · Accepted Answer

The square root of $49x^2$ simplifies to $7|x|$ because the square root of $49$ is $7$ and the square root of $x^2$ is $|x|$, accounting for both positive and negative values of $x$.

Simplify the Expression 49x2\sqrt { 49 x ^ { 2 } }49x2​

Simplify the Expression $\sqrt { 49 x ^ { 2 } }$