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# Unit 14: Quadratic functions & equations

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## About this unit

We've seen linear and exponential functions, and now we're ready for quadratic functions. We'll explore how these functions and the parabolas they produce can be used to solve real-world problems.

### Learn

### Practice

- Parabolas introGet 3 of 4 questions to level up!
- Interpret parabolas in contextGet 3 of 4 questions to level up!
- Interpret a quadratic graphGet 3 of 4 questions to level up!

### Learn

### Practice

- Zero product propertyGet 3 of 4 questions to level up!
- Graph quadratics in factored formGet 3 of 4 questions to level up!
- Quadratic word problems (factored form)Get 3 of 4 questions to level up!

Level up on the above skills and collect up to 480 Mastery points

### Learn

### Practice

- Quadratics by taking square roots (intro)Get 3 of 4 questions to level up!
- Quadratics by taking square rootsGet 3 of 4 questions to level up!
- Quadratics by taking square roots: strategyGet 3 of 4 questions to level up!
- Quadratics by taking square roots: with stepsGet 3 of 4 questions to level up!

### Learn

### Practice

- Graph quadratics in vertex formGet 3 of 4 questions to level up!
- Quadratic word problems (vertex form)Get 3 of 4 questions to level up!

Level up on the above skills and collect up to 480 Mastery points

### Learn

### Practice

- Quadratics by factoring (intro)Get 3 of 4 questions to level up!
- Quadratics by factoringGet 3 of 4 questions to level up!
- Solve equations using structureGet 3 of 4 questions to level up!

### Learn

### Practice

- Quadratic formulaGet 3 of 4 questions to level up!
- Number of solutions of quadratic equationsGet 3 of 4 questions to level up!

Level up on the above skills and collect up to 400 Mastery points

### Learn

### Practice

- Completing the square (intro)Get 3 of 4 questions to level up!
- Completing the square (intermediate)Get 3 of 4 questions to level up!

### Learn

### Practice

- Solve equations by completing the squareGet 3 of 4 questions to level up!
- Completing the squareGet 3 of 4 questions to level up!

### Practice

- Strategy in solving quadraticsGet 3 of 4 questions to level up!

Level up on the above skills and collect up to 400 Mastery points

### Learn

### Practice

- Graph quadratics in standard formGet 3 of 4 questions to level up!
- Quadratic word problems (standard form)Get 3 of 4 questions to level up!

### Learn

### Practice

- Features of quadratic functions: strategyGet 3 of 4 questions to level up!
- Features of quadratic functionsGet 3 of 4 questions to level up!
- Graph parabolas in all formsGet 3 of 4 questions to level up!
- Interpret quadratic modelsGet 3 of 4 questions to level up!

Level up on the above skills and collect up to 480 Mastery points

### Learn

### Practice

- Compare quadratic functionsGet 3 of 4 questions to level up!

### Learn

### Practice

- Shift parabolasGet 3 of 4 questions to level up!
- Scale & reflect parabolasGet 3 of 4 questions to level up!

Level up on the above skills and collect up to 240 Mastery points

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Level up on all the skills in this unit and collect up to 3,100 Mastery points!