I am currently stuck on finding the radius of a sphere given the equation. I have managed to find the squares and thus the center but cant figure out how to get the radius. Th problem is attached in the image below.
Thank You

Question

I am currently stuck on finding the radius of a sphere given the equation. I have managed to find the squares and thus the center but cant figure out how to get the radius. Th problem is attached in the image below.
Thank You

anonymous · Answer

attachment

amistre64 · Answer

you completed the squares right?

amistre64 · Answer

add 25, add 25, add ... 2.5^2 ?

to 19, then take the sqrt

anonymous · Answer

okay got it had wasn't accounting for the 19. Thank you amistre.