Lesson 7 Quadratic Quandaries Practice Understanding

Ready

Factor each quadratic expression completely.

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How is the factored form of a quadratic function helpful when graphing the parabola?

Set

Solve each of the quadratic inequalities.

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Match the inequalities with the graphs.

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  1. a positive quadratic inequality graphed on a coordinate plane with the points (-2,0) and (2,0) x–6–6–6–4–4–4–2–2–2222y222444666888
  2. a negative quadratic inequality graphed on a coordinate plane with the points (-5,0) and (1,0) x–4–4–4–2–2–2222444y–4–4–4–2–2–2222444
  3. a negative quadratic inequality graphed on a coordinate plane with the points (-2,0) and (1,0) x–4–4–4–2–2–2222444y–4–4–4–2–2–2222444
  4. a positive quadratic inequality graphed on a coordinate plane with the points (-2,0) and (3,0) x–4–4–4–2–2–2222444y–4–4–4–2–2–2222444

Go

Write each quadratic function below in vertex form.

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Find the complex solutions for each equation.

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