On a coordinate plane, a triangle has points A prime (6, 8), B prime (10, negative 6), and C prime (6, negative 6). What is the pre-image of vertex A' if the image shown on the graph was created by a reflection across the y-axis? (–8, –6) (–6, 8) (8, 6) (6, –8)

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mbsimone mbsimone · Answer 1 · 2020-01-06T17:27:08+01:00

Answer:

i think its B (:

Step-by-step explanation:

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AmitPaswan AmitPaswan · Answer 2 · 2022-07-01T09:31:32+02:00

The pre-image of vertex A' is (-6,8) .

When you reflect a point across the y-axis, the y-coordinate remains the same, but the x-coordinate is taken to be the additive inverse.

Reflection in the y -axis:

The rule for a reflection over the y -axis is (x,y)→(−x,y) .

According to the question

On a coordinate plane, a triangle has points :

A = (6, 8)

B = (10, - 6)

C = (6, - 6)

Now,

pre-image of vertex A' if the image shown on the graph was created by a reflection across the y-axis

As per rule for a reflection over the y -axis is (x,y)→(−x,y) .

i.e

reflection over the y -axis

A = (6, 8) → A' = (-6,8)

Hence, the pre-image of vertex A' is (-6,8) .

To know more about reflection across y axis here:

https://brainly.com/question/11453535

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