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Mathematics 8 Online
OpenStudy (princeevee):

help me plez

OpenStudy (princeevee):

OpenStudy (princeevee):

@563blackghost

OpenStudy (moldybubblegum11):

http://www.virtualnerd.com/pre-algebra/geometry/transformations-symmetry/rotating-figures/rotate-90-degrees-about-origin <----- go to this site, it helped me learn rotations. :D

OpenStudy (princeevee):

maybe a different question for now :/

563blackghost (563blackghost):

Dang ive always hated these kind of questions let me review one sec....

563blackghost (563blackghost):

Okay I got it. From what I remember since the points are in quadrant 1 in which the points are both positive the rotation of 90 degrees will flip the numbers and change the x values into a negative... For ex. We have E(4,1) now in order for it to complete the transition we would have to switch the sign of the x-value so (4,1) would then become (-4,1) now the last thing that needs to be done is flip the numbers over so it would then become (1,-4)...this is how the point looks with a full rotation of 90 degrees.

OpenStudy (princeevee):

so like this?

563blackghost (563blackghost):

Not quite. You see the example I used is part of your graph so instead of it being in the 2nd quadrant it would be in the 4th quadrant...

563blackghost (563blackghost):

This helped me remember :) http://www.math-only-math.com/90-degree-clockwise-rotation.html

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