HEOP!

Ryan’s teacher asked him to graph circle E with equation (x – 5)2 + y2 = 25. Below is the graph he submitted.

What, if anything, did Ryan do wrong when graphing this equation?
Answer
He graphed a circle with a radius of 25 instead of a radius of 5.
He graphed a circle with center at (5, 0) instead of at (-5, 0).
He graphed a circle with center at (5, 0) instead of at (25, 0).
Ryan’s graph is accurate.

Question

HEOP!


Ryan’s teacher asked him to graph circle E with equation (x – 5)2 + y2 = 25. Below is the graph he submitted.
 
 
 
What, if anything, did Ryan do wrong when graphing this equation?
Answer
		He graphed a circle with a radius of 25 instead of a radius of 5.
		He graphed a circle with center at (5, 0) instead of at (-5, 0).
		He graphed a circle with center at (5, 0) instead of at (25, 0).
		Ryan’s graph is accurate.

anonymous · Answer

attachment

mertsj · Answer

The radius is 25 and it should be 5

anonymous · Answer

I agree.

anonymous · Answer

Sorry. I must have miscopied the equation. My bad ...

myininaya · Answer

So I think a little more explanation should be made here why are you saying the radius should be 5 @Mertsj 
Is it because the equation of a circle is this:
$$(x-h)^2+(y-k)^2=r^2$$
where (h,k) is the center and r is the radius 
:)

mertsj · Answer

@myininaya Because r^2 is 25 so r is 5

myininaya · Answer

Good job :)

anonymous · Answer

Yea , I was just learning about that equation. I came up with the first answer but wasn't sure. Ty guys!

myininaya · Answer

$$(x-5)^2+(y-0)^2=5^2$$
Exactly your equation is in the form I wrote above
(5,0) is center and r is 5