Solving Quadratic Equations Graphically

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GR. 9-12

Skill:

Solve quadratic equations by graphing.

Solving Quadratic Equations Graphically

Modify quadratic equations and observe the properties of their roots.

Putting It All Together

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

Open-ended question 1

What do you notice about the roots of the equation? Where on the graph do the roots of the equation lie?

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Open-ended question 2

What does the graph of a quadratic equation with exactly one root look like? Where does the -intercept lie?

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Open-ended question 3

What do you notice about the graph of a quadratic equation with no real roots?

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Open-ended question 4

What does the graph of look like when the coefficient for is 0?

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Open-ended question 5

What are we finding by setting equal to 0?

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