29-01-2019
Mathematics

contestada

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)

Respuesta :

romeroalexis817 romeroalexis817

29-01-2019

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

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