Math Problem Statement

Titik B(3, -1) dicerminkan terhadap garis g bayangannya B'(5, 7). Persamaan garis g adalah

Solution

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Math Problem Analysis

Mathematical Concepts

Reflection
Coordinate Geometry
Linear Equations
Midpoint Calculation
Perpendicularity

Formulas

Midpoint formula: M = ((x1 + x2)/2, (y1 + y2)/2)
Gradient formula: m = (y2 - y1)/(x2 - x1)
Perpendicular gradient relationship: m1 * m2 = -1
Point-slope form of a line: y - y1 = m(x - x1)

Theorems

Reflection across a line
Perpendicular lines and negative reciprocal slopes

Suitable Grade Level

Grades 9-11