1 . 4x2-20x

• A. $4$
• B. $9$
• C. $16$
• D. $25$

Answer: Option D

Explanation:

2 . x2-11x+30

• A. $x-5$
• B. $x-6$
• C. $x^2+x+3$
• D. $x^2-x-3$

Answer: Option A

Explanation:

3 . x2-11x+30

• A. $x-5$
• B. $x-6$
• C. $x^2+x+3$
• D. $x^2-x-3$

Answer: Option A

Explanation:

4 . x2-11x+30

• A. $x-5$
• B. $x-6$
• C. $x^2+x+3$
• D. $x^2-x+3$

Answer: Option A

Explanation:

5 . 4x2-20x

• A. 4
• B. 9
• C. 16
• D. 25

Answer: Option D

Explanation:

6 . 4x2-20x

• A. 4
• B. 9
• C. 16
• D. 25

Answer: Option D

Explanation:

7 . 4x2-2

• A. $-\frac{1}{4x^2}$
• B. $-\frac{1}{2x^2}$
• C. $\frac{1}{4x^2}$
• D. $\frac{1}{2x^2}$

Answer: Option A

Explanation: