C csi Member Joined Nov 10, 2019 Messages 87 Gender Undisclosed HSC 2021 Jan 1, 2021 #1 Hi, Can someone please explain how to dilate k(x-2)^2+c in the positive y-direction by a factor of 4. Does this mean horizontally dilating the function? Note: the answer is y=4k(x-2)^2+4c

Hi, Can someone please explain how to dilate k(x-2)^2+c in the positive y-direction by a factor of 4. Does this mean horizontally dilating the function? Note: the answer is y=4k(x-2)^2+4c

B1andB2 pyjama Joined Nov 6, 2019 Messages 500 Gender Female HSC 2021 Jan 1, 2021 #2 Vertical dilation, so basically all the y values are affected (which is why the question describes it as positive y direction) replace y by y/4 and then times the 4 over if it was a horizontal dilation you replace the x instead

Vertical dilation, so basically all the y values are affected (which is why the question describes it as positive y direction) replace y by y/4 and then times the 4 over if it was a horizontal dilation you replace the x instead

C csi Member Joined Nov 10, 2019 Messages 87 Gender Undisclosed HSC 2021 Jan 1, 2021 #3 B1andB2 said: Vertical dilation, so basically all the y values are affected (which is why the question describes it as positive y direction) replace y by y/4 and then times the 4 over if it was a horizontal dilation you replace the x instead Click to expand... Thanks

B1andB2 said: Vertical dilation, so basically all the y values are affected (which is why the question describes it as positive y direction) replace y by y/4 and then times the 4 over if it was a horizontal dilation you replace the x instead Click to expand... Thanks