Question

What is the equation of the line of reflection that maps
the pre-image to the image?
x
-4
82
А
A 8
2
Oy=2
O y-axis
O x-axis
Ox=1
-4
С
-6
Done
Intro

Answer 1

reflecting over the y-axis

Answer 2

Triangle ABC was reflected along the y axis, to produce triangle A'B'C'

Transformation

Transformation is the movement of a point from its initial location to a new location. Types of transformation are rotation, translation, reflection and dilation.

If a point A(x, y) is reflected along the y axis, the new point is A'(-x, y).

The vertex of triangle ABC is at A(-1, -1). B(-2, -1) and C(-2, -4). If triangle ABC is reflected along the y axis, the new point is at A'(1, -1). B'(2, -1) and C'(2, -4)

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