When reflecting across the y-axis, the y-coordinates stay the same while the x-value gets reverted into either a negative or a positive ( negative turns into positive or positive gets turned into a negative).
<h2> <em><u>thank you for the Question</u></em></h2><h2 /><h2><em><u>thank you for the Question </u></em><em><u> </u></em><em><u> </u></em><em><u> </u></em><em><u> </u></em><em><u> </u></em><em><u> </u></em><em><u> </u></em><em><u> </u></em><em><u> </u></em><em><u>me as brainliest</u></em> </h2>