2 years ago

When reflecting a figure across the x-axis, why does the y-value always change signs?

Mathematics

1 answer:

kati45 [8]2 years ago

7 0

Answer:

see description

Step-by-step explanation:

When you reflect a point across the y-axis, the y-coordinate remains the same, but the x-coordinate is transformed into its opposite (its sign is changed). Notice that B is 5 horizontal units to the right of the y-axis, and B' is 5 horizontal units to the left of the y-axis.

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