Mathematics
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OpenStudy (anonymous):
SEE ATTACHMENT.
Using the graph shown, answer this question: What is the scale factor used to dilate the figure?
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OpenStudy (anonymous):
OpenStudy (anonymous):
ARI AND KITT LET ME POST THE QUESTION
OpenStudy (anonymous):
ONE SEC
OpenStudy (anonymous):
Using the graph shown, answer this question: What is the scale factor used to dilate the figure?
OpenStudy (aripotta):
count the length of the sides for each rectangle
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OpenStudy (anonymous):
Okay. Let me count.
OpenStudy (anonymous):
just one side?
OpenStudy (aripotta):
yea, just make sure they're corresponding. like, the long side of the big one and long side of the small one
OpenStudy (anonymous):
Okay.
OpenStudy (anonymous):
let ari take over, I got nothing lol.
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OpenStudy (anonymous):
Will it be by 2's or ones?
OpenStudy (aripotta):
it's by 1's
OpenStudy (anonymous):
Okie, Kitt. I like ur picture too
OpenStudy (aripotta):
always assume by 1's if it's not labeled
OpenStudy (anonymous):
Okie, Ari
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OpenStudy (anonymous):
Can it be CB an CB'?
OpenStudy (anonymous):
(' Means the dilation or second version of a figure.)
OpenStudy (aripotta):
yea count them. then put cb/cb' and figure out the scale factor
OpenStudy (anonymous):
Ok.
OpenStudy (anonymous):
\[\frac{ CB }{ CB' } = \frac{ 9 }{ 2 }\]
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OpenStudy (anonymous):
?
OpenStudy (anonymous):
So is the scale factor 4.5?
OpenStudy (anonymous):
(I divided 9/2)
OpenStudy (aripotta):
9/3
OpenStudy (anonymous):
O
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OpenStudy (anonymous):
Okiee.
OpenStudy (aripotta):
which would give us scale factor of 3
OpenStudy (anonymous):
Ohhh. Okay. So answer = 3?
OpenStudy (aripotta):
wait no. put cb'/cb which would be 1/3
OpenStudy (aripotta):
1/3 is your answer, sorry
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OpenStudy (anonymous):
OH. OK. WHY WAS THE FIRST ONE WRONG?
OpenStudy (aripotta):
because if we said the scale factor was 3, then cb' would be 3x the size of cb. but it's not. it's 1/3 the size.
OpenStudy (anonymous):
Oh. Okay. Thanks!
OpenStudy (anonymous):
[since its smaller it can't b 3 times the size right?]
OpenStudy (anonymous):
TNX U
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OpenStudy (aripotta):
lol yes
OpenStudy (anonymous):
:)
OpenStudy (aripotta):
no problemo