9000020010 | math4u.vsb.cz

SubArea:

Radical equations and inequalities

Level:

Project ID:

9000020010

Accepted:

1

Clonable:

0

Easy:

1

Choose the equation which is obtained by squaring both sides of the following equation.

\sqrt{x^{2} - x + 5} = 2 x - 5

3 x^{2} - 19 x + 20 = 0

x^{2} + 3 x + 20 = 0

3 x^{2} + x - 30 = 0

3 x^{2} + x + 20 = 0