• A. 2
• B. 3
• C. 4
• D. 6

Answer: Option C

Explanation:

• A. $0$
• B. $2$
• C. $3$
• D. $-1$

Answer: Option C

Explanation:

• A. 2, 3
• B. 3, 1
• C. 4, -1
• D. 5, -3

Answer: Option B

Explanation:

• A. (x2 + y2)/x2
• B. (x2 + y2)/y2
• C. (y2 - x2)/y2
• D. (x2 - y2)/y2

Answer: Option B

Explanation:

• A. x(2x2 + 1)
• B. x2(2x2 + 1)
• C. x(2x + 1)(2x - 1)
• D. (2x2 - 1)

Answer: Option C

Explanation:

• A. 2y - x
• B. x - 2y
• C. 2(x - y)
• D. x - 3y

Answer: Option B

Explanation:

• A. (2x + 3)(x + 1)
• B. (2x + 3)(x - 1)
• C. (2x - 3)(x - 1)
• D. (2x - 3)(x + 1)

Answer: Option D

Explanation:

• A. $2$
• B. $2\sqrt{3}$
• C. $2\sqrt{6}$
• D. $4\sqrt{3}$

Answer: Option D

Explanation:

• A. 4
• B. 20
• C. 28
• D. 12

Answer: Option B

Explanation:

• A. 5
• B. 6
• C. 7
• D. 8

Answer: Option C

Explanation:

• A. x = 5, y = 7
• B. x = 2, y = 5
• C. x = 3, y = 7
• D. x = 7, y = 5

Answer: Option D

Explanation:

• A. (2y2 + 6y + 2)(y2 - 3y + 1)
• B. (2y2 - 7y + 1)(2y2 + 7y + 1)
• C. 2(y2 + 3y + 1)(y2 - 3y + 1)
• D. 2(y2 + 3y + 1)(y2 -3y -1)

Answer: Option C

Explanation:

• A. $x^2+y^2=4$
• B. $z^2+y^2=1$
• C. $2\left(x^2++y^2\right)=1$
• D. $3\left(x^2+y^2\right)=4$

Answer: Option B

Explanation:

• A. 2
• B. 2^n
• C. 4
• D. 2^n + 1

Answer: Option B

Explanation:

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

Answer: Option A

Explanation: