Create an account
Properties of Translation
The size, shape, and orientation of a figure are not changed after translation. Only the position of a figure is changed after translation. After translation, the original figure and its image are congruent.
Rotation of 90° Clockwise
To rotate a point, first change the sign of the x-coordinate. Then switch the x and y-coordinates. (x, y)-> (y,-x)
Rotation of 90° Counterclockwise
To rotate a point, first change the sign of the y-coordinate, Then switch the x and y-coordinates. (x,y)-> (-y, x)
Rotation of 180°
To rotate a point, change the sign of both the x and y- coordinates. (x,y) -> (-x,-Y)
Properties of Rotation
The size,shape, and orientation of a figure are not changed after a rotation. After a rotation, a figure and its image are congruent.
Dilation Centered at (0,0)
Multiply both the x and y-coordinates by a positive number k, or scale factored. (x,y)->(kx,ky)
Please allow access to your computer’s microphone to use Voice Recording.
Having trouble? Click here for help.
We can’t access your microphone!
Click the icon above to update your browser permissions and try again
Reload the page to try again!Reload
Press Cmd-0 to reset your zoom
Press Ctrl-0 to reset your zoom
It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.
Please upgrade Flash or install Chrome
to use Voice Recording.
For more help, see our troubleshooting page.
Your microphone is muted
For help fixing this issue, see this FAQ.
Star this term
You can study starred terms together