Solving Quadratic Equations Practice Questions

Solve $x^2 + 7 = 88$

Use the graph to find estimates for the solutions of the equation $x^2 - 4x + 1 = 0$

Use the graph to find estimates for the solutions of the equation $x^2 - 4x + 1 = 3$

Solve $x^2 - 2x - 15 = 0$

Solve $x^2 - 11x = 0$

Solve $x^2 + 5x = 24$

Priya thinks of a positive number.

She squares the number and then subtracts 3 times the number.

Her answer is $28$.

Work out the number Priya thought of.
You must show all your working.

Show that $x^2 + 2x - 35 = 0$

Work out the perimeter of the flower bed.