The Quadratic Formula

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GR. 9-12

Skill:

Solve quadratic equations using the quadratic formula.

The Quadratic Formula

Apply the quadratic formula by substituting values from a quadratic equation.

Putting It All Together

Answer these open ended questions on your own or with others to form deeper math connections.

Open-ended question 1

Jordan would like to use the quadratic formula to solve this equation: What value should they use to substitute for , , and ?

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Open-ended question 2

Jae is solving a quadratic equation and applies the quadratic formula to achieve this step: What equation could he be solving?

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Open-ended question 3

How can the quadratic formula help find how many solutions a quadratic equation has?

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