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=9x^2 = 9
2.
x2=1x^2 = 1
3.
x2−64=0x^2 - 64 = 0
4.
x2−81=0x^2 - 81 = 0
5.
4x2=44x^2 = 4
6.
5x2=1805x^2 = 180
7.
(x−5)(x+2)=0(x - 5)(x + 2) = 0
8.
(x+1)(x+2)=0(x + 1)(x + 2) = 0
9.
x(x+9)=0x(x + 9) = 0
10.
x(x+5)=0x(x + 5) = 0