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What is the mapping rule you use to reflect a figure across the y-axis?

User Paullo
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1 Answer

19 votes
19 votes
Answer is - The rule for a reflection over the y -axis is (x,y)→(−x,y) .

Step-by-step explanation

Your x and y points will become -x and y
Only your x point changes to the opposite sign

Example in the attachment shows
points (2, 3) change to ( -2, 3)
What is the mapping rule you use to reflect a figure across the y-axis?-example-1
User Eduard Dubilyer
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