• A. 9
• B. 1
• C. 3
• D. $\sqrt{8}$

Answer: Option D

Explanation:

• A. x + 2y-5=0
• B. x - 2y+5=0
• C. x+2y-10=0
• D. 2x+y-5=0

Answer: Option A

Explanation:

• A. $x^2+y^2+3ax+by=0$
• B. $x^2+y^2-3ax+by=0$
• C. $x^2+y^2-3ax-by=0$
• D. $x^2+y^2+3ax-by=0$

Answer: Option B

Explanation:

• A. $\sqrt{14}$
• B. $2\sqrt{14}$
• C. $2\sqrt{2}$
• D. $2\sqrt{7}$

Answer: Option B

Explanation:

• A. 9
• B. 10
• C. 18
• D. 20

Answer: Option B

Explanation:

• A. $r=9\cos \theta$
• B. $r=3\cos \theta$
• C. $r+9\cos \theta =0$
• D. $r+3\cos \theta =0$

Answer: Option A

Explanation:

• A. $r^2+r\left(5\sin \theta +4\cos \theta \right)+9=0$
• B. $r^2+r\left(5\sin \theta -4\cos \theta \right)+9=0$
• C. $r^2-r\left(5\sin \theta +4\cos \theta \right)+9=0$
• D. $r^2-r\left(5\sin \theta -4\cos \theta \right)+9=0$

Answer: Option D

Explanation:

• A. (-4,2)
• B. (4,-2)
• C. (2,-1)
• D. (4,2)

Answer: Option A

Explanation:

• A. 10
• B. -10
• C. 20
• D. 1

Answer: Option A

Explanation:

• A. $x^2+y^2+8x+10y+59=0$
• B. $x^2+y^2-8x-10y+59=0$
• C. $x^2+y^2-8x-10y-59=0$
• D. $x^2+y^2+8x+10y-59=0$

Answer: Option C

Explanation:

• A. 5x - y - 3 = 0
• B. x + y + 2 = 0
• C. x - 5y - 3 = 0
• D. $x^2+y^2=2$

Answer: Option A

Explanation:

• A. $g^2>c$
• B. $g^2<c$
• C. ${\int }^2>c$
• D. ${\int }^2<c$

Answer: Option A

Explanation:

• A. -18
• B. 9
• C. -9
• D. 18

Answer: Option D

Explanation:

• A. $x^2+7x+3=0$
• B. $x^2-3x+8=0$
• C. $x^2+7x+8=0$
• D. $x^2-7x+8=0$

Answer: Option B

Explanation:

• A. 1
• B. -1
• C. 2
• D. -2

Answer: Option A

Explanation: