Graph: A(4, 2) B(2, 0) C(6, -6) D(0, -4) E(-6, -6) F(-2, 0) G(-4, 2) H(0, 4) -15 -10 -5 -10 -5 5 10 155.

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Presentation transcript:

Graph: A(4, 2) B(2, 0) C(6, -6) D(0, -4) E(-6, -6) F(-2, 0) G(-4, 2) H(0, 4)

A B C D E F G H

When dilating a figure you need to have a scale factor. For our first dilation use a scale factor of 2.

A(4, 2)  A’(4  2, 2  2)  A’(8, 4) B(2, 0)  B’(2  2, 0  2)  B’(4, 0) C(6, -6)  C’(6  2, -6  2)  C’(__, __) D(0, -4)  E(-6, -6)  F(-2, 0)  G(-4, 2)  H(0, 4) 

Graph: A’(8, 4) B’(4, 0) C’(12, -12) D’(0, -8) E’(-12, -12) F’(-4, 0) G’(-8, 4) H’(0, 8)

A B C D E F G H H’ A’ B’ C’ D’ E’ F’ G’

Now on your graph paper calculate the coordinates for a dilation with a scale factor of 0.5.

A(4, 2) B(2, 0) C(6, -6) D(0, -4) E(-6, -6) F(-2, 0) G(-4, 2) H(0, 4) Here are the original points…

Remember to label each point with a double prime. Example: A’’

A B C D E F G H H’ A’ B’ C’ D’ E’ F’ G’ H’’ A’’ B’’ C’’ D’’ E’’ F’’ G’’