Use the square root property to solve the quadratic equation.
-$5 x ^ { 2 } - 35 = 0$
A) $\pm \frac { \sqrt { 35 } } { 5 }$
B) $\sqrt { 7 }$
C) $\pm \sqrt { 7 }$
D) $\pm \frac { \sqrt { 175 } } { 5 }$

Question

Quizplus · Accepted Answer

First, isolate $x^2$ by adding 35 to both sides and then dividing by 5, resulting in $x^2 = 7$. Taking the square root of both sides gives $x = \pm \sqrt{7}$.

Use the Square Root Property to Solve the Quadratic Equation 5x2−35=05 x ^ { 2 } - 35 = 05x2−35=0

Use the Square Root Property to Solve the Quadratic Equation $5 x ^ { 2 } - 35 = 0$