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5 votes
PLEASE HELP!! 25 POINTS

△ABC is reflected to form​​ ​△A′B′C′​.
The vertices of △ABC are A(−7, 1), B(−5, −3), and C(−3, 2).
The vertices of △A′B′C′ are A′(−7, −1), B′(−5, 3), and C′(−3, −2).

Which reflection results in the transformation of ​△ABC​​ to ​△A′B′C′​​?
A. reflection acros s the x-axis
B. reflection across the y-axis
C. reflection across y = x
D. reflection across y=−x

User Foundry
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2 Answers

4 votes

o, I first graphed the ORIGINAL points and then I reflected the ORIGINAL points across the x-axis and I found out that the points (not the original ones) didn't match. Then I reflection across they-axis and found out that the points match so its y-axis!!!

Answer:

It is a reflection across the X-axis

Explanation:

Graph the original points and also graph the new points and you will see the "new" points are over the X-axis!!

User NewlessClubie
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6.6k points
3 votes

Answer:

the reflection is across the x- axis

Explanation:

if you see that the y's in the second graph are negative then the reflection is across the x-axis

User TechV
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6.6k points