Worksheets

Quadratic equations

Level 1 · Square roots and factorised form

Type your answers and press Check. Each answer is marked at once.

Solve the equations.

Both solutions, in any order. Write square roots as √ or sqrt.

1.
x2=4x^2 = 4
2.
x2=100x^2 = 100
3.
x2−4=0x^2 - 4 = 0
4.
x2−64=0x^2 - 64 = 0
5.
5x2=1255x^2 = 125
6.
3x2=33x^2 = 3
7.
(x−7)(x−4)=0(x - 7)(x - 4) = 0
8.
(x+4)(x+3)=0(x + 4)(x + 3) = 0
9.
x(x−4)=0x(x - 4) = 0
10.
x(x+4)=0x(x + 4) = 0