Point P(−5.15, −7.05) is a reflection across the x-axis of which of the following points?PLEASE EXPLAIN (−5.15, 7.05) (−7.05, −5.15) (5.15, −7.05) (7.05, 5.15)

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asked Jan 18, 2020 26.5k views

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Gchen · Answer 1 · 2020-01-25T03:22:26+0000

The answer is A.
I only know how to explain by using the rule for reflection over x axis sorry.
The rule is (x,-y) x coordinate stays the same but you do the opposite for the y coordinate so -7.05 would be 7.05

Point P(−5.15, −7.05) is a reflection across the x-axis of which of the following points?PLEASE EXPLAIN (−5.15, 7.05) (−7.05, −5.15) (5.15, −7.05) (7.05, 5.15)

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