Introduce the quadratic formula (
), and discuss how to identify quadratic equations that should be solved using the quadratic equation.
Present how to use the quadratic formula to solve for a quadratic equation, reviewing order of operations along the way.
Introduce the discriminant of the quadratic formula (b2 – 4ac), and how to use it to determine the number of real solutions of a quadratic equation.
This packet should help a learner seeking to understand how to solve for quadratic equations by using the quadratic formula.
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This video introduces the quadratic formula and explains how it is based on completing the square.
Source: ChristinaPease
This video discusses how to determine when to use the quadratic equation.
Source: ChristinaPease
This video introduces the concept of unreal roots.
Source: ChristinaPease
This video introduces the discriminant and shows how to use it to determine the nature of the solutions to a quadratic equation.
Source: ChristinaPease
This video demonstrates how to use the quadratic formula to solve a quadratic equation.
Source: ChristinaPease
This video demonstrates how to use the quadratic formula to solve 3 different example problems.
Source: ChristinaPease
