# Lesson Worksheet: Roots of Quadratic Functions Mathematics

In this worksheet, we will practice solving quadratic equations by factoring.

**Q4: **

Find the set of zeros of the function .

- A
- B
- C
- D
- E

**Q5: **

Which of the following is a solution for given the set of zeros of the function is empty?

- A
- B44
- C0
- D

**Q6: **

If a parabola intersects the -axis at two points, find the number of roots for the equation in .

- Aone
- Bzero
- Ctwo
- Dfour
- Ethree

**Q7: **

If a parabola touches the -axis at a single point, determine the number of roots in .

- Aone
- Btwo
- Cthree
- Dzero
- Efour

**Q8: **

If a parabola does not intersect the -axis, determine the number of roots in .

- Athree
- Bfour
- Cone
- Dzero
- Etwo

**Q9: **

Given the curve of the quadratic function does not intersect the -axis, determine . Recall that is the set of zeros of the function .

- A
- B
- C
- D
- E

**Q10: **

The following expressions are equivalent ways of writing the function .

Use expression 1 to find the value of when .

Identify the minimum value of using expression 2.

Identify the zeros of using expression 3.

- A, 3
- B5, 3
- C8, 15
- D,
- E5,