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3 years ago

PLEASE HELP ME I CANT FAIL THIS CLASS

Mathematics

1 answer:

ale4655 [162]3 years ago

4 0

Answer:

It would be the first answer.

Step-by-step explanation:

y=-2x^2+4x-2

y=-2(-1)^2+4(-1)-2

y=-2(1)-4-2

y=-2-4-2

y=-6-2

y=-8

(-1,-8)

-Hope this helps!-

-Please mark as brainliest!-

-Good luck!-

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3 years ago

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2 years ago

The point B(1, 1) is rotated 90° counterclockwise around the origin. What are the co

Thepotemich [5.8K]

Given that the point B is (1,1) is rotate 90° counterclockwise around the origin.

We need to determine the coordinates of the resulting point B'.

Coordinates of the point B':

The general rule to rotate the point 90° counterclockwise around the origin is given by

$(x, y) \rightarrow(-y, x)$

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Now, we shall determine the coordinates of the point B' by substituting (1,1) in the general rule.

Thus, we have;

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3 years ago