Question Detail

MTH 101 MTH 101 Past Questions Objective Question

Question

What is the slope of the tangent line to the circle at point P(x₁,y₁)?
Options
A (y₁ + f)/(x₁ + g)
B -(x₁ + g)/(y₁ + f)
Correct Answer
C (x₁ + g)/(y₁ + f)
D -(y₁ + f)/(x₁ + g)
Correct Answer

Option B is the correct answer.

Detailed Explanation

The slope of the tangent line to the circle at point P(x₁,y₁) is -(x₁ + g)/(y₁ + f).

Hint

The notes indicate answer B.

Question Info