Math Problem Statement

A point P(-3, -7) is reflected across a line l. The image of the point is P'(-3, 7). Complete the statement.

Solution

The point P(3,7)P(-3, -7) is reflected across the line y=0y = 0 (the x-axis) because the x-coordinate of PP' is the same as the x-coordinate of PP and the y-coordinate of PP' is the opposite of the y-coordinate of PP.

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Math Problem Analysis

Mathematical Concepts

Coordinate Geometry
Reflections in Geometry

Formulas

Reflection of a point across a line

Theorems

Properties of reflections in geometry

Suitable Grade Level

Grades 7-10