Question

Solve, using the square root method: 5x2 = 60. Round the solution to the nearest tenth.

{3.5, -3.5}


{7.7, -7.7}


{3.5}


No real solution

Answer 1

5x^2 = 60
x^2 = 12
x = +/- Sqrt 12
x = +/- 2 Sqrt 3
x={3.5, -3.5}