How do you reflect across the y-axis the points F(-5, 1), x(-3, 3), E-1,-1)?

Question

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Answer 1 · 2018-02-28T14:25:11

Change all $x$ -coordinates to negative: $(5,1), (3,3), (1,-1)$

Reflecting a point $(x,y)$ across the $y$ -axis causes you to end up with $(-x,y).$

So,

$(x,y)=(-5,1)$

becomes

$(-x,y)=(5,1)$

$(x,y)=(-3,3)$

becomes

$(-x,y)=(3,3)$

$(x,y)=(-1,-1)$

becomes

$(-x,y)=(1,-1)$