I need to know the easiest trick to do rotations

1 answer:

6 0

90º (-270º): (x,y) ---> (y, -x)
180º (-180º): (x, y) ---> (-x, -y)
270º (-90º): (x,y) ---> (-y, x)

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Mars2501 [29]

Solve for the first variable in one the equations then substitute the result into the other equation so the answer is (2,5)

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Brilliant_brown [7]

Answer:

Step-by-step explanation:

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miv72 [106K]

Answer:

y-1=2(x+3)

y-1=2x+6

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y=2x+7

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masha68 [24]

View answer attached below

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DIA [1.3K]

Add like terms just like you would anywhere else... $6 x^{2} +x+7$

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