Solve the Equation by the Square Root Property $$5 x ^ { 2 } = 35$$

Multiple Choice

Solve the equation by the square root property.
- $$5 x ^ { 2 } = 35$$

A) $\{ - \sqrt { 7 } , \sqrt { 7 } \}$
B) $\{ 8 \}$
C) $\{ - 7,7 \}$
D) $\{ 17.5 \}$