Question Detail

MTH 101 MTH 101 Past Questions Objective Question
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Question

The equation of a tangent to a circle at point (x₁,y₁) is:
Options
A x(x₁ + g) + y(y₁ + f) = c
B x₁x + y₁y = r²
C xx₁ + yy₁ + g(x + x₁) + f(y + y₁) + c = 0
Correct Answer
D x + y = 0
Correct Answer

Option C is the correct answer.

Detailed Explanation

The equation of a tangent to a circle at point (x₁,y₁) is xx₁ + yy₁ + g(x + x₁) + f(y + y₁) + c = 0.

Hint

The notes indicate answer C.

Question Info

Course: MTH 101
Topic: MTH 101 Past Questions
Type: Objective
Difficulty: Not specified
Question 111 of 696
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