Question

Could someone help me out with this one...?

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?

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.

Answer 1

what is the radius of (x – 5)^2 + y^2 = 25.

Answer 2

the radius is 5

Answer 3

i think that ryan's graph is accurate

Answer 4

the circle that Ryan drew has a radius of ____

Answer 5

because the radius is right and the center is right

Answer 6

the circle Ryan drew does NOT have a radius of 5

Answer 7

I think you're getting center and radius confused

Answer 8

oh... lol whoops :DD

Answer 9

notice the distance from the center (5,0) to the point (30,0), which is a point on the circle, is 25 units

so the radius of Ryan's circle is 25

Answer 10

center..yes is 5...radius is the diameter / 2

Answer 11

alright. so it the answer would be the third one, "He graphed a circle with center at (5, 0) instead of at (25, 0)."

Answer 12

no, the center is correct

Answer 13

the radius is NOT

Answer 14

center is correct....just the radius isnt

Answer 15

that circle is supposed to be much smaller

Answer 16

remember in the equation...r is squared....the radius shouldn't be 25...it should be 5

Answer 17

ok!! so just go with the answer mentioning the radius being wrong, "He graphed a circle with a radius of 25 instead of a radius of 5."

Answer 18

exactly

Answer 19

sounds right

Answer 20

You guys were sooo helpful! :) Thank you soooo much!! :DD

Answer 21

Anytime :)