**Q8: **

Completely factor .

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- C
- D
- E

**Q9: **

If , what is the value of ?

**Q10: **

If and , what is the value of ?

**Q11: **

If and , what is the value of ?

**Q12: **

Completely factor .

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- B
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**Q13: **

Completely factor .

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**Q14: **

Completely factor .

- A
- B
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**Q15: **

By factoring or otherwise, evaluate .

- A 0.49
- B 4.92
- C 24.21
- D 49.2
- E 2.42

**Q16: **

If , what is the value of ?

**Q17: **

Completely factor .

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- E

**Q18: **

By considering the difference of two squares, evaluate without a calculator.

**Q19: **

If , , and , what is the value of ?

**Q20: **

Completely factor .

- A
- B
- C
- D
- E

**Q21: **

If , what is the value of ?

- A4
- B5
- C25
- D1

**Q22: **

By considering the difference of two squares, find the value of for which .

**Q23: **

Completely factor .

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- B
- C
- D
- E

**Q24: **

Completely factor .

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- C
- D
- E

**Q25: **

Completely factor .

- A
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- D
- E