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=49x^2 = 49
3.
x2−49=0x^2 - 49 = 0
4.
x2−36=0x^2 - 36 = 0
5.
5x2=55x^2 = 5
6.
5x2=205x^2 = 20
7.
(x−7)(x−4)=0(x - 7)(x - 4) = 0
8.
(x−1)(x+9)=0(x - 1)(x + 9) = 0
9.
x(x−1)=0x(x - 1) = 0
10.
x(x−4)=0x(x - 4) = 0