• A. $6$
• B. $8$
• C. $10$
• D. $12$

Answer: Option C

Explanation:

• A. $\frac{1}{2}\left(x-4\right)\left(x+2\right)$
• B. $\frac{1}{2}\left(x+4\right)\left(x-2\right)$
• C. $\frac{1}{2}\left(x+4\right)\left(x+2\right)$
• D. $\frac{1}{2}\left(x-4\right)\left(x-2\right)$

Answer: Option D

Explanation:

• A. 2
• B. 4
• C. -6
• D. -8

Answer: Option B

Explanation:

• A. $\sqrt{3}$
• B. $1$
• C. $2\sqrt{2}$
• D. $8$

Answer: Option B

Explanation:

• A. $3$
• B. $1$
• C. $0$
• D. $-1$

Answer: Option C

Explanation:

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

Answer: Option D

Explanation:

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

Answer: Option B

Explanation:

• A. $\pm 1$
• B. $\pm 7$
• C. $\pm 5$
• D. $\pm 3$

Answer: Option B

Explanation:

• A. $x-1$
• B. $x-2$
• C. $x-3$
• D. $x-4$

Answer: Option D

Explanation:

• A. $a$
• B. $a>b$
• C. $a=b$
• D. $a=not b$

Answer: Option C

Explanation:

• A. 1
• B. 5
• C. 8
• D. 10

Answer: Option D

Explanation:

• A. $\left(0,0\right)$
• B. $\left(4,-3\right)$
• C. $\left(-4,3\right)$
• D. $\left(10,10\right)$

Answer: Option B

Explanation:

• A. $5$
• B. $10$
• C. $15$
• D. $20$

Answer: Option B

Explanation:

• A. $a\left(a-3\right)$
• B. $a-3$
• C. $a$
• D. $a\left(a+3\right)$

Answer: Option A

Explanation:

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

Answer: Option D

Explanation: