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Quadrilateral ABCD and its dilation, quadrilateral A'B'C'D', are shown on the coordinate plane.
If the center of dilation is at the origin, by what scale factor was quadrilateral ABCD dilated?http://learn.flvs.net/webdav/educator_geometry_v14/module06/img/06_06b_04_03_lg.gif
 one year ago
 one year ago
Quadrilateral ABCD and its dilation, quadrilateral A'B'C'D', are shown on the coordinate plane. If the center of dilation is at the origin, by what scale factor was quadrilateral ABCD dilated?http://learn.flvs.net/webdav/educator_geometry_v14/module06/img/06_06b_04_03_lg.gif
 one year ago
 one year ago

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Sunshine447Best ResponseYou've already chosen the best response.0
@apple_pi @ashleyvess07 @giovkast
 one year ago

apple_piBest ResponseYou've already chosen the best response.1
If the center is 0,0 then to find the scale factor just take any of the points on the smaller figure e.g. A(0,3) and the corresponding point on the larger figure e.g. A'(0,9). Work out the distance of each from the center of dilation (0,0). The distances will be reduced at an equal ratio as the figure.
 one year ago

Sunshine447Best ResponseYou've already chosen the best response.0
I dont know... I'm so confused @apple_pi
 one year ago

apple_piBest ResponseYou've already chosen the best response.1
Actually no, the original figure is ABCD not A'B'C'D, and the figure is being dilated, so the scale must be > 1
 one year ago

apple_piBest ResponseYou've already chosen the best response.1
well, scale of 1 means no increase or decrease. scale of > 1 means it is being enlarged. scale of < 1 means it is being shrunken.
 one year ago

Sunshine447Best ResponseYou've already chosen the best response.0
will it always be 1, >1, or <1? There's no other possible answers?
 one year ago

apple_piBest ResponseYou've already chosen the best response.1
What I meant by > 1, is that it is definitely 3 not 1/3
 one year ago
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