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OpenStudy (anonymous):
@andriod09
OpenStudy (andriod09):
so what don't you understand exactly?
plot the points first.
OpenStudy (anonymous):
@samtasticc
OpenStudy (anonymous):
@jim_thompson5910
jimthompson5910 (jim_thompson5910):
sounds like a dilation from the origin
so you would simply multiply each coordinate by the scale factor to get the new dilated point
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OpenStudy (anonymous):
OK. Do you have a program called 'snipping tool'?
jimthompson5910 (jim_thompson5910):
Ex: F is the point (1,6)
Scale it by 3 to get 1*3 = 3 and 6*3 = 18
So after dilating point F by a factor of 3 from the origin, you get (3, 18)
OpenStudy (anonymous):
oh. ok. i have to plot the original first though.
jimthompson5910 (jim_thompson5910):
Original
|dw:1360883616648:dw|
jimthompson5910 (jim_thompson5910):
Dilation
|dw:1360883650109:dw|
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jimthompson5910 (jim_thompson5910):
Things to notice
Everything has been tripled: the x coordinate, the y coordinate, and even the distance from the origin
OpenStudy (anonymous):
could you please graph it on my attachment ?
jimthompson5910 (jim_thompson5910):
if you found the distance from (0,0) to (1,6) (call it p)
and compared it to the distance from (0,0) to (3,18) (call it q)
you would find that the second distance is 3 times larger
ie q = 3*p
OpenStudy (anonymous):
Please, if possible, graph it on my attachment?
OpenStudy (anonymous):
i attempted it earlier. but i did not do it correctly.
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jimthompson5910 (jim_thompson5910):
are you supposed to plot both? or just the new point?
OpenStudy (anonymous):
No, both.
jimthompson5910 (jim_thompson5910):
ok so plotting (1,6) and (3,18) gives you the wrong answer?
OpenStudy (anonymous):
No, I multiplied and all..but I need help graphing.
OpenStudy (anonymous):
let me try plotting again.
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jimthompson5910 (jim_thompson5910):
ok
OpenStudy (anonymous):
don't go.
jimthompson5910 (jim_thompson5910):
ok show me what you get
OpenStudy (anonymous):
ok. im plotting it on a photo editor [fotoflexer.com]
jimthompson5910 (jim_thompson5910):
ok whatever works
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