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=121x^2 = 121
2.
x2=49x^2 = 49
3.
x2−4=0x^2 - 4 = 0
4.
x2−1=0x^2 - 1 = 0
5.
3x2=753x^2 = 75
6.
5x2=455x^2 = 45
7.
(x−1)(x+5)=0(x - 1)(x + 5) = 0
8.
(x−1)(x+7)=0(x - 1)(x + 7) = 0
9.
x(x−1)=0x(x - 1) = 0
10.
x(x+8)=0x(x + 8) = 0