Question

Which of the following is the equation of the tangent to the circle x²+y²=25 at (-4,3)

• A. 3x+4y+25=0
• B. 4x-3y+25=0
• C. 3x-4y+25=0
• D. 4x+3y+5=0

Answer 1

Answer:

B. 4x-3y+25=0

x=-4 , y=3 -12+12+25 ≠ 0 -16-9+25=0