+0  
 
+1
411
2
avatar+98 

What is the scale factor used to create the dilation from Pre-image BCDE to image B'C'D'E' ? 

Question  options:

2

.5

-2

- .5

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Options

10

1.25

2.5

5

 Mar 29, 2018
edited by ForgottenMoon  Mar 29, 2018
 #1
avatar+111327 
+2

First one 

 

The scale factor is 2

 

Second  one...the triangles are similar...so..we can solve this...

 

n / 6  =  5 / 3         multiply both sides by 6

 

n  =    6 ( 5/3)  =  30/3   =  10

 

 

cool cool cool

 Mar 29, 2018
 #2
avatar+98 
+1

Thank you!

 Mar 29, 2018

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