• A. 1
• B. 2
• C. 3
• D. 4

Answer: Option B

Explanation:

• A. $\left(-\infty ,3\right)$
• B. $\left(3,4\right)$
• C. $\left[3,4\right]$
• D. $\left[4,\infty \right]$

Answer: Option C

Explanation:

• A. (x -2) (x-3)
• B. (x-1) (x+8)
• C. (x-1) (x-6)
• D. (x+1) (x+6)

Answer: Option C

Explanation:

• A. $-2xy$
• B. $8xy$
• C. $6xy$
• D. $2xy$

Answer: Option D

Explanation:

• A. (x+5) (x+4)
• B. (x-5) (x-4)
• C. (x+5) (x-4)
• D. (x-5) (x+4)

Answer: Option B

Explanation:

• A. $1$
• B. $\sqrt{5}$
• C. $3$
• D. $2\sqrt{5}$

Answer: Option B

Explanation:

• A. 4
• C. 1
• D. $a^2$

Answer: Option C

Explanation:

• A. $\left(x+y\right)\left(x+y\right)$
• B. $\left(x+y\right)\left(x-y\right)$
• C. $\left(x-y\right)\left(x-y\right)$
• D. $\left(y+x\right)\left(y-x\right)$

Answer: Option B

Explanation:

• A. x+y-1
• B. 1-x-y
• C. x-y-1
• D. x+y+1

Answer: Option D

Explanation:

• A. $x+y+1$
• B. $x-y+1$
• C. $x-y-1$
• D. $x-y$

Answer: Option B

Explanation:

• A. $x+y+1$
• B. $x-y$
• C. $x+y-1$
• D. $x-y-1$

Answer: Option C

Explanation:

• A. $\left(x^2-y^2\right)\left(x^2+xy+y^2\right)$
• B. $x^3-y^3$
• C. $x-y$
• D. $x+y$

Answer: Option A

Explanation:

• A. $\left(x^2-y^2\right)$
• B. $\left(x^{2}xy+y^2\right)$
• C. $x^3-y^3$
• D. $x+y$

Answer: Option A

Explanation:

• A. x+y
• B. x -y
• D. 1

Answer: Option D

Explanation:

• A. 24.75
• B. 297
• C. 247.5
• D. 247

Answer: Option B

Explanation: