Asked by Sheenybeany

Point Q is the image of point P under a dilation with center O and scale factor 4. If PQ = 18, then what is OP?
Answered by Steve
all distances also scale by a factor of 4.
Answered by Sheenybeany
Sorry, but that's not right :(
I really need to do this. Any help?
Answered by Steve
what do you mean by "that's not right?" What calculation did you do?

Without loss of generality, we can take the distances to be measured along the x-axis.

We have two points, P and Q on the x-axis, where

OQ = 4(OP) because of the dilation.
Since PQ=18, that means that 3/4 of the distance OQ = 18.

So, OQ = 24 and OP = 6.

All because the distances grew by a factor of 4, as I said.
Answered by Sheenybeany
Like I said, the answer is wrong! I put it into my online class and it said it was 6. Thanks a whole bunch, Steve.
Answered by lol
Sheenybeany Steve got the answer right?? Steve said that OP=6.
Answered by ur bad
Sheenybeany, stop being a jerk and saying it's wrong, its not, your peanut sized brain can't understand that the question says what is OP not what the scale factor is.
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