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27-05-2020
Mathematics

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Which ordered pair represents a reflection of the point (-3, 5) across the y-axis?

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27-05-2020

Answer:

(3, 5)

Step-by-step explanation:

Reflection across the y-axis is: [tex]A(x,y)\rightarrow A'(-x,y)[/tex]

Applying the rule to (-3,5):

[tex](-3,5)\rightarrow(3,5)\\\text {Because: }\\-3 * -1 = 3\\5 * 1 = 5[/tex]

So, the reflected point should be (3,5).

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