• A. $\frac{x+5}{x+6}$
• B. $\frac{x+5}{x-6}$
• C. $\frac{x-5}{x+6}$
• D. $\frac{x-5}{x-6}$

Answer: Option A

Explanation:

• A. $\frac{x+5}{x+6}$
• B. $\frac{x+5}{x-6}$
• C. $\frac{x-5}{x+6}$
• D. $\frac{x-5}{x-6}$

Answer: Option A

Explanation:

• A. $(x-5)\left(x-4\right)$
• B. $(x+5)\left(x-4\right)$
• C. $(x-5)\left(x+4\right)$
• D. $(x+5)\left(x+4\right)$

Answer: Option C

Explanation:

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

Answer: Option A

Explanation:

• A. $3,4$
• B. $3,-4$
• C. $-3,4$
• D. $-3,-4$

Answer: Option C

Explanation:

• A. -2
• B. -9
• C. 9
• D. 10

Answer: Option C

Explanation:

• A. $\left\{p,q\right\}$
• B. $\left\{p,-q\right\}$
• C. $\left\{-p,-q\right\}$
• D. $\left\{-p,+q\right\}$

Answer: Option A

Explanation:

• A. a,b
• B. a
• C. b
• D. ab

Answer: Option A

Explanation:

• A. {a, b}
• B. {a, -b}
• C. {-a, b}
• D. {-a, -b}

Answer: Option A

Explanation:

• A. 47
• B. 51
• C. 74
• D. 49

Answer: Option A

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

Answer: Option D

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. 45
• B. 47
• C. 49
• D. 51

Answer: Option B

Explanation:

• A. $\left(-\infty ,3\right)$
• B. $3, 7$
• C. $\left[3,4\right]$
• D. $\left[4,\infty \right]$

Answer: Option C

Explanation: