Question

Write the standard equation for the circle given the following equations

x2 + y2 - 8x + 7 = 0

Answer 1

x^2+y^2=r^2

Answer 2

is that the formula?

Answer 3

that is the general equation so now you need move terms around, this one would come out to
x^2+y^2-8x=sqrt(-7)

Answer 4

okay thanks could you help me with another problem similar to that one

Answer 5

x2 + y2 + 4x - 6y - 3 = 0

Answer 6

yeah just move the -3 over and then take square root of it

Answer 7

now you dont have to, but to set it in the x^2+y^2=r^2 you can

Answer 8

okay