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Gnom [1K]
3 years ago
13

Create triangle A’B’C by reflecting triangle ABC over the y-axis on the coordinate plane. What are the new coordinates of the ve

rtices?

Mathematics
1 answer:
pickupchik [31]3 years ago
8 0

Answer:

Step-by-step explanation:

When talking about reflection, we usually mean reflecting across a line, or axis. Reflecting a shape means looking at the mirror image on the other side of the axis. Consider the point (x,y), if you reflect this point across the y-axis you should multiply the x-coordinate by -1, so you get:

(x,y)\rightarrow(-x,y)

For triangle ABC we have:

A(-4,2) \\ \\ B(-1,3) \\ \\ C(-1,-4)

Therefore, the reflecting points are:

A'(4,2) \\ \\ B(1,3) \\ \\ C(1,-4)

Both the original triangle and the reflected one are shown below.

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