circle equations

Question

Circle A has center of (4, 6) and a radius of 5, and circle B has a center of (1, 0) and a radius of 15. What steps will help show that circle A is similar to circle B?

 Dilate circle A by a scale factor of 3.

 Translate circle A using the rule (x−3, y+6).

 Rotate circle A 180° about the center.

 Reflect circle A over the y-axis.

Answer 1

A: (x-4^2 +(y-6)^2=25

????? dialate ??? yu want it 3 times as big??? then radius=3*5=15

???? translate ???? yu wanna muev serkel so senter=(3,-6) ????, then (x-3)^2 +(y+6)=r^2

???? rotater serkel???? yu spin yer weels

????? which serkel du yu wanna reflex ??????   "over y-axis" ????????

wotever serkel yu hav, chaenj (x-sumthun) ^2 tu (x+sumthun)^2

Answer 2

the answer is: Dilate circle A by a scale factor of 3.