Homework Help: 7th grade math last question!

Posted by Delilah on Monday, November 5, 2012 at 11:22pm.

#11
The coordinate of rectangle ABCD are given. Find the coordinates of its image after a dilation with the scale factor of 2.
A (2,4) B (-3, -1) C (0,9) D (6,-4)

I DESPERATELY NEED HELP WITH THIS QUESTION IT ISN'T MULTIPLE CHOICE SOMEONE HELP PLEASE!!!!

7th grade math last question! - Steve, Tuesday, November 6, 2012 at 10:50am
dilation is from the origin, unless otherwise specified. So,

(x,y) --> (2x,2y)

The new coordinates are thus

A(4,8) B(-6,-2) C(0,18) D(12,-8)

However, the figure is not a rectangle.

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