bralynnlacour bralynnlacour
  • 02-09-2019
  • Mathematics
contestada

The point (-4,1) is totated 180 degrees counterclockwise using center (0,0). What are the coordinates of the image?

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Louli
Louli Louli
  • 10-09-2019

Answer:

Coordinates of the image are (4 , -1)

Explanation:

The rule for 180° rotation counterclockwise is:

(x , y) ⇒ (-x , -y)

This means that to get the coordinates of a point rotated 180° counterclockwise, all you have to do is flip the signs of both the x and the y

Now, we are given the point (-4 , 1)

Applying the above rule:

[tex]\\ (x_{image},y_{image}) = (-(-4) , -(1))\\ (x_{image},y_{image}) = (4,-1)[/tex]

Hope this helps :)

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