Find all real values of $x$ such that $f ( x ) = 0$.
$$f ( x ) = 49 x ^ { 2 } - 64$$
A) $\pm \frac { 7 } { 8 }$
B) $\pm \frac { 8 } { 7 }$
C) $\pm \frac { 64 } { 49 }$
D) $- \frac { 64 } { 49 }$
E) $\frac { 8 } { 7 }$

Question

Quizplus · Accepted Answer

The Answer of Find all real values of $x$ such that $f ( x ) = 0$.
$$f ( x ) = 49 x ^ { 2 } - 64$$
A) $\pm \frac { 7 } { 8 }$
B) $\pm \frac { 8 } { 7 }$
C) $\pm \frac { 64 } { 49 }$
D) $- \frac { 64 } { 49 }$
E) $\frac { 8 } { 7 }$

Find All Real Values Of xxx Such That f(x)=0f ( x ) = 0f(x)=0

Find All Real Values Of $x$ Such That $f ( x ) = 0$