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Solving Quadratics Lessons

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Now available: Coolmath Algebra books! Part 1, Part 2 and Part 3 covering the Algebra you need from Algebra 1 through Precalculus Algebra (Beginning Algebra through College Algebra)

other Coolmath Books: Coolmath Precalculus Review (the math you really need to survive Calculus 1) and Math Survival Guide (How to conquer math and deal with math anxiety)
Solving Quadratics Lesson 1 A Brief Intro
Solving Quadratics Lesson 2 Solving Equations by Factoring
crunch some
crunch some  <<  With larger numbers
Solving Quadratics Lesson 3 Freaky Things That Can Happen
Solving Quadratics Lesson 4 The Square Root Trick
crunch some
Solving Quadratics Lesson 5 The Quadratic Formula
 crunch some
Solving Quadratics Lesson 6 Solving Overview

Solving Quadratics Practice
 This is a listing of the "crunch some" problems for this chapter
Solving quadratics by factoring

Example: Solve 6x^2-13x-5=0

 Solving quadratics by factoring with larger numbers

Example: Solve 60x^2-107x-77=0
Solving quadratics using the square root trick

Example: Solve 4x^2-11=0

 Solving quadratics using the quadratic formula

Example: Solve 3x^2-7x+1=0

 

 

 

 

 


 

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