joanark0210 joanark0210

20-01-2022
Mathematics

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Would the rule be (x,y)->(-x,y) or (x,y)->(x,-y)?

Would the rule be xygtxy or xygtxy class=

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breadsticksandcheese breadsticksandcheese

20-01-2022

Answer:

(x, y) -> (x, -y)

Step-by-step explanation:

you can see the y values in the pre-image are multiplied by -1 to get the ones in the image, and the x values stay the same.

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webbmayci webbmayci

20-01-2022

It would be (x,y)—>(x,-y)
Explanation
(-9,-(-1))=(-9,1)
(-9,-(-8))=(-9,8)
When there is two negatives like this
5-(-6) you will change signs meaning change -6 to 6

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