College Algebra - Quadratic Equations

Solving Quadratics by Factoring
Example:
Factor
x² = 25
3x² - 7x = 0
Solving Quadratics by Factoring
Example:
Factor
2x² - 5x - 3 = 0
x² - 4x + 4 = 0

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Solving Quadratic Equations by Using Square Roots
Example:
Factor
3x² + 1 = 151
x² + 8x + 16 = 12

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Solving Quadratics by Completing the Square
Example:
Factor
x² + 6x + 1 = 0

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Completing the Square Example
Example:
Factor
2x² + 4x - 1 = 0

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Proving the Quadratic Formula

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Using the Quadratic Formula
Example:
Factor
3x² - 5x - 3 = 0
√2x² + 3x + √2 = 0

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