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

**Q2: **

The diagram shows the graph of . What is the solution set of the equation ?

- A
- B
- C
- D
- E

**Q5: **

The graph shows the curve with equation . What is the solution set of the equation ?

- A
- B
- C
- D

**Q6: **

If the point is the vertex of the graph of the quadratic function , what is the solution set of the equation ?

- A
- B
- C
- D

**Q8: **

Consider the equation . In the following, find a solution by filling the blank space.

.

- A
- B
- C
- D
- E

.

- A
- B
- C
- D
- E

.

- A
- B
- C
- D
- E

.

- A
- B
- C
- D
- E

These solutions can be plotted as seen in the figure. What will be true of any other solution plotted in the plane?

- AThey will not lie on the curve.
- BThey will not lie in the same quadrant.
- CThey will lie in the same quadrant.
- DThey will lie on the curve.
- EThey will lie on the -axis.