IGCSE Mathematics Worksheet - Quadratic Equations

Answer the following

1. Solve  quadratic equations by Completing the Square:

1. x2 + 4x - 2 = 0
2. x2 = 3x + 18
3. 4x2 - 8x - 32 = 0
4. x2 = 4x -1
5. x2 - 5x + 7 = 0
6. x2 + 6x - 16 = 0

2. Solve  quadratic equations by factoring:

1. Solve:  4x2 - 28x = 0 
2. Solve:  x2 + 2x - 15 = 0 
3. Solve:  x2 - 81 = 0 
4. Solve:  3x2 + 11x - 4 = 0 
5. Solve:  2x(x + 4) = x – 3
6. Solve:  

3. Solve by Quadratic Formula

1. Solve: x2 + 2x - 15 = 0
2. Solve: 2x2 - 10x = -3
3. Solve: x2 - 10x + 25 = 0

Answers for IGCSE Maths - Quadratic Equations

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