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Transformations

TermDefinition
Reflection over x-axis change the sign of y
Reflection over y-axis change the sign of x
Reflection over y=x switch the numbers
Reflection over the origin Change the sign of both numbers
<2, -4> slide the figure right 2 and down 4
<-3, 0> slide the figure left 3 and stay
(x,y)--->(x+7, y-1) slide the figure right 7 and down 1
Rotate 90 degrees from quadrant 3 land in quadrant 4 and switch numbers
A 180 degree rotation is the same as _____ reflection over the origin
Equation for a horizontal line is _________. y = a number
Equation for a vertical line is __________. x = a number
What kind of line is x = 10? vertical
What kind of line is y= -6 horizontal
Rotate 90 degrees clockwise from quadrant 2 land in quadrant 1 and switch numbers
Isometry a transformation in which the pre-image and image are congruent
What is a pre-image? the original figure
Which figure is the image? the figure resulting from a transformation
How can you tell the pre-image from the image on a graph? The image will be named with primes
Created by: smartin614
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