• A. 3m
• B. -3m
• C. ± 3m
• D. 6m

Answer: Option C

Explanation:

• A. $-c^2$
• B. $c^2$
• C. $bc$
• D. $ca$

Answer: Option B

Explanation:

• A. $-3$
• B. $3$
• C. $\frac{\sqrt{3}}{2}$
• D. $-3\sqrt{3}$

Answer: Option A

Explanation:

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

Answer: Option D

Explanation:

• A. $4$
• B. $4\sqrt{2}$
• C. $6$
• D. $\sqrt{8}$

Answer: Option A

Explanation:

• A. $\sqrt{2}$
• B. $2$
• C. $1$
• D. $2\sqrt{10}$

Answer: Option C

Explanation:

• A. $12$
• B. $24$
• C. $36$
• D. $40$

Answer: Option B

Explanation:

• A. $\sqrt{3}$
• B. $\sqrt{7}$
• C. $5$
• D. $7$

Answer: Option C

Explanation:

• A. -1
• C. 1
• D. 2

Answer: Option B

Explanation:

• A. 18
• B. 20
• C. -18
• D. -20

Answer: Option C

Explanation:

• A. 4
• B. 3
• C. 2
• D. 1

Answer: Option D

Explanation:

• A. a (a+b)
• B. $a^2\left(a+b\right)$
• C. a
• D. $a^2$

Answer: Option B

Explanation:

• A. 1
• B. -1
• C. a-1
• D. a+1

Answer: Option C

Explanation:

• A. a-1
• B. a+1
• C. a
• D. 1

Answer: Option A

Explanation:

• A. 110
• B. 125
• C. 130
• D. 140

Answer: Option D

Explanation: