Math Problem Statement

  1. Lingkaran A berpusat di titik P(−4, 3) dan melalui titik Q(2, 1). Persamaan garis singgung lingkaran A di titik Q adalah ... .

Solution

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Math Problem Analysis

Mathematical Concepts

Analytic Geometry
Circle Equations
Tangents to Circles

Formulas

(x - h)^2 + (y - k)^2 = r^2
Distance formula: d = √[(x2 - x1)^2 + (y2 - y1)^2]
Equation of tangent line at point (x1, y1): (x1 - h)(x - h) + (y1 - k)(y - k) = r^2

Theorems

Tangent Line Theorem: A tangent to a circle is perpendicular to the radius at the point of tangency.

Suitable Grade Level

Grades 10-12