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=36x^2 = 36
2.
x2=9x^2 = 9
3.
x2−9=0x^2 - 9 = 0
4.
x2−25=0x^2 - 25 = 0
5.
2x2=22x^2 = 2
6.
3x2=273x^2 = 27
7.
(x+5)(x−7)=0(x + 5)(x - 7) = 0
8.
(x+9)(x+8)=0(x + 9)(x + 8) = 0
9.
x(x+7)=0x(x + 7) = 0
10.
x(x+3)=0x(x + 3) = 0