• A. 3
• B. -3
• C. 7
• D. 9

Answer: Option B

Explanation:

• A. $3$
• B. $4$
• C. $5$
• D. $6$

Answer: Option D

Explanation:

• A. $9$
• B. $18$
• C. $27$
• D. $36$

Answer: Option D

Explanation:

• A. $\frac{1}{2}$
• B. $3\frac{1}{2}$
• C. $4$
• D. $4\frac{1}{2}$

Answer: Option D

Explanation:

• A. $\left(1,0\right)$
• B. $\left(\frac{2}{3},\frac{2}{3}\right)$
• C. $\left(\frac{1}{2},\frac{1}{2}\right)$
• D. $\left(\frac{1}{4},\frac{1}{4}\right)$

Answer: Option C

Explanation:

• A. 47
• B. 51
• C. 74
• D. 49

Answer: Option A

Explanation:

• A. $\frac{x^2}{3^2}+\frac{y^2}{4^2}=1$
• B. $\frac{x^2}{3^2}+\frac{y^2}{3^2}=1$
• C. $y^2=4ax$
• D. $\frac{x^2}{a^2}+\frac{y^2}{b^2}=1$

Answer: Option A

Explanation:

• A. 9
• B. 3
• C. 7
• D. 1

Answer: Option C

Explanation:

• A. $(x+2)$
• B. $(x+4)$
• C. ${(x+2)}^2$
• D. $2(x+2)$