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# Unit: Quadratic functions and equations

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### About this unit

Want to know the path a soccer ball will take through the air? We need quadratic equations. Some equation-solving strategies, like taking the square root or factoring, work best with friendly numbers. Others, like completing the square, work with any kind of numbers. Which will you choose?### Practice

- Graph quadratics in vertex formGet 3 of 4 questions to level up!

### Learn

### Practice

- Quadratics by factoringGet 3 of 4 questions to level up!
- Solve equations using structureGet 3 of 4 questions to level up!

Level up on the above skills and collect up to 320 Mastery points

### Learn

### Practice

- Quadratic formulaGet 3 of 4 questions to level up!

### Learn

### Practice

- Completing the square (intro)Get 3 of 4 questions to level up!
- Solve equations by completing the squareGet 3 of 4 questions to level up!
- Completing the squareGet 3 of 4 questions to level up!

### Learn

### Practice

- 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 560 Mastery points

Up next for you:

Level up on all the skills in this unit and collect up to 1100 Mastery points!