**Q4: **

Solve the equation by factoring.

- A or
- B
- C or
- D

**Q5: **

Solve the equation .

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

**Q6: **

Use the change of variable to find the real solutions of the equation .

- A or 3
- B or 9
- C or
- D or 3
- EThe equation has no solution.

**Q7: **

Find the solution set of in .

- A
- B
- C
- D

**Q8: **

Find the solution set of in .

- A
- B
- C
- D
- E

**Q9: **

Solve the equation by factoring.

- A
- B
- C
- D
- E

**Q10: **

Given that , find the solution set of the equation .

- A
- B
- C
- D
- E

**Q11: **

Find the solution set of in .

- A
- B
- C
- D
- E

**Q12: **

The roots of the equation are and , where . Find, in its simplest form, the quadratic equation whose roots are and .

- A
- B
- C
- D
- E

**Q13: **

At which values of does the graph of the equation cross the -axis?

- A 2 and
- B and 1
- C and 1
- D and
- E and

**Q14: **

Find the solution set of the equation , giving values to the nearest tenth.

- A
- B
- C
- D

**Q15: **

Factor fully the equation .

- A
- B
- C
- D
- E

At which values of does the graph of cross the -axis?

- A 3 and
- B1 and
- C5 and
- D9 and
- E9 and

**Q16: **

Find the solution set of in .

- A
- B
- C
- D
- E

**Q17: **

Find the solution set of in .

- A
- B
- C
- D
- E

**Q18: **

Solve the equation .

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

**Q19: **

At which values of does the graph of the equation cross the -axis?

- A5 and
- B and 8
- C and 24
- D3 and
- E and

**Q20: **

Find the solution set of in .

- A
- B
- C
- D

**Q21: **

At which values of does the graph of the equation cross the -axis?

- A and 6
- B and 7
- C7 and
- D1 and
- E5 and

**Q22: **

Find the solution set of in .

- A
- B
- C
- D
- E

**Q23: **

Determine the solution set of the equation .

- A
- B
- C
- D
- E

**Q24: **

Given that , find .

- A
- B9
- C8
- D
- E81

**Q25: **

Answer the following.

Solve .

- A or
- B
- C

Deduce from the previous question the solution to , using a change of variable.

- A
- B or
- C