Use the square root property to solve the quadratic equation.
-$3 x ^ { 2 } - 6 = 0$
A) $\sqrt { 2 }$
B) $\pm \frac { \sqrt { 6 } } { 3 }$
C) $\pm \frac { \sqrt { 18 } } { 3 }$
D) $\pm \sqrt { 2 }$

Question

Quizplus · Accepted Answer

First, add 6 to both sides to get $3x^2 = 6$. Then, divide by 3 to get $x^2 = 2$. Taking the square root of both sides gives $x = \pm \sqrt{2}$.

Use the Square Root Property to Solve the Quadratic Equation 3x2−6=03 x ^ { 2 } - 6 = 03x2−6=0

Use the Square Root Property to Solve the Quadratic Equation $3 x ^ { 2 } - 6 = 0$