Question Detail

MTH 101 MTH 101 Past Questions Objective Question
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Question

Which formula gives the equation of the normal to a circle at point (x₁,y₁)?
Options
A x(y₁ + f) - y(x₁ + g) = x₁f - y₁g
Correct Answer
B x + y = 0
C xx₁ + yy₁ = r²
D x(x₁ + g) + y(y₁ + f) = r²
Correct Answer

Option A is the correct answer.

Detailed Explanation

The equation of the normal to a circle at point (x₁,y₁) is x(y₁ + f) - y(x₁ + g) = x₁f - y₁g.

Hint

The notes indicate answer A.

Question Info

Course: MTH 101
Topic: MTH 101 Past Questions
Type: Objective
Difficulty: Not specified
Question 117 of 696
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