Question

how to step by step use the equations of circles formula

Answer 1

where is the question in which you need to apply the equation of the circle formula?

for example if you have the center (2, 3) and need to find the radius
x^2 + y^2 = r^2 for a circle center (0, 0) and radius r
(x-2)^2 + (y -3)^2 = r^2

Answer 2

so if its a positive it becomes a negative and vice versa ? and how do i put thing into a calculator

Answer 3

https://www.desmos.com/calculator

Answer 4

thank you sooo much i wont graduate if i dont pass and you just helped me alot !!!

Answer 5

and does that work vice versa? if it negative then it comes out positive an vice versa?

Answer 6

basically yes
like factors (x-2) = 0 then x = 2
(x + 2) = 0 then x = -2

Answer 7

((x-(-4)) = x + 4

Answer 8

thanks that really just helped me alot and i tried another website it would graph it right but not give you the right equation

Answer 9

the equation of a circle can be considered an application of pythagorean theorem
finding the change in length in relation to (0, 0) thus (x-h)^2 + (y-k)^2 where (h, k) is the center of the circle

Answer 10

just curious, what did you enter?

Answer 11

i would put it exactly as the equations says but it would come out the same way like if it was a positive 6 it would still say positive 6 which caused me to fail over an over

Answer 12

do you have an example?

Answer 13

Write an equation for a circle with center at (6, –2) and diameter = 12.

Answer 14

sorry got to type it out

Answer 15

Write an equation for a circle with center at (6, –2) and diameter = 12.
Write an equation for a circle with center at (6, -2) and diameter = 12

Answer 16

i don't know what all that is but the equation is the last sentence