# Lesson Worksheet: Solving Quadratic Equations: Quadratic Formula Mathematics

In this worksheet, we will practice solving quadratic equations using the quadratic formula.

**Q9: **

Given that is a root of the equation , find the set of possible values of .

- A
- B
- C
- D
- E

**Q10: **

Find the solution set of the equation in , giving values to one decimal place.

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- D

**Q16: **

Find the solution set in of the equation , giving values to one decimal place.

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- D

**Q17: **

Using the quadratic formula, find all the solutions to .

- A, , ,
- B, , ,
- C,
- D, , ,
- E,

**Q18: **

Find the solution set of the equation , giving values to three decimal places.

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- E

**Q19: **

Find the solution set of in , giving values to two decimal places.

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- E

**Q20: **

Find the solution set of the equation , giving values to three decimal places.

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- D
- E

**Q21: **

Find the solution set of the equation , giving values to two decimal places.

- A
- B
- C
- D