Factoring & Solving Quadratic Equations
A collection of videos, activities and worksheets that are suitable for A Level Maths. This is part of an online GCSE to A Level Bridging Course. The topics covered are: Factoring and Solving of Quadratic Equations, Completing the Square, Solving Quadratics with Algebraic Fractions, Solve Simultaneous Equations that are linear with non linear.
The following diagram shows how to factor and solve quadratic equations. Scroll down the page for more examples and solutions of factoring and solving quadratic equations.
Basic Factoring and Solving of Quadratic Equations - GCSE to A Level Bridging Course
Examples:
Factorise the following:
x2 + x - 12
Solve the following:
x2 - 25 = 0
2x2 - 71 = 0
(x - 6)(x + 5) = 0
x(3x - 2) = 0
2x2 + 3x = 0
4x2 - 25 = 0
x2 - 8 = 2x
Harder Factoring and Solving of Quadratic Equations
Examples:
Factorise each of the following expressions:
3x2 + 8x + 4
5x2 + 3x - 2
Solve the following quadratic equations:
x2 - 9 = 0
9x2 - 64 = 0
4x2 + x - 3 = 0
3x2 - 7x + 4 = 0
Solve the following equations:
8x2 = 2x + 15
4/x + 1/(x+1) = 6/x
3x2 + 6x = 24
Solve the following equations correct to 2 decimal places each time.
x2 + 4x - 6 = 0
Completing the Square
Solving Quadratics with Algebraic Fractions
Simultaneous Equations (linear with non linear)
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