Quadratic Equations

In this chapter, you will be introduced to quadratic equations and the methods to find quadratic roots. It teaches you the three methods of finding roots – factorization, completing the square and the quadratic formula and how to calculate the type of roots beforehand using the discriminant of the quadratic equation.

Beginner 0(0 Ratings) 36 Students enrolled
Created by Global Free School Last updated Fri, 02-Oct-2020 English
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Curriculum for this course
38 Lessons 03:31:05 Hours
Solving quadratics in factored form
1 Lessons 00:07:17 Hours
  • Zero product property 00:07:17
  • Solving quadratics by taking square roots 00:02:18
  • Solving quadratics by taking square roots examples 00:05:12
  • Solving quadratics by taking square roots: strategy 00:04:25
  • Quadratics by taking square roots: with steps 00:01:45
  • Solving quadratics by taking square roots: challenge 00:11:03
  • Quiz 1 00:00:00
  • Solving quadratics by factoring 00:06:22
  • Solving quadratics by factoring: leading coefficient ≠ 1 00:04:35
  • Solving quadratics using structure 00:03:55
  • Strategy in factoring quadratics (part 1 of 2) 00:07:12
  • Strategy in factoring quadratics (part 2 of 2) 00:08:41
  • Solving quadratic equations by factoring (old) 00:10:09
  • Quiz 2 00:00:00
  • Completing the square 00:14:06
  • Worked example: Completing the square (intro) 00:03:22
  • Worked example: Rewriting expressions by completing the square 00:03:02
  • Worked example: Solving equations by completing the square 00:06:19
  • Worked example: completing the square (leading coefficient ≠ 1) 00:05:44
  • Solving quadratics by completing the square: no solution 00:05:25
  • Quiz 4 00:00:00
  • The quadratic formula 00:16:32
  • Using the quadratic formula 00:05:34
  • Worked example: quadratic formula 00:02:22
  • Worked example: quadratic formula (example 2) 00:06:40
  • Worked example: quadratic formula (negative coefficients) 00:04:51
  • Proof of the quadratic formula 00:07:44
  • Quiz 5 00:00:00
  • Using the quadratic formula: number of solutions 00:04:59
  • Discriminant for types of solutions for a quadratic 00:04:37
  • Discriminant of quadratic equations 00:10:14
  • Quiz 6 00:00:00
  • Quadratic equations word problem: triangle dimensions 00:08:21
  • Quadratic equations word problem: box dimensions 00:05:54
  • Quadratic word problem: ball 00:05:53
  • Quiz 7 00:00:00
  • Revision Notes
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