RektbyFaith:
Find the standard form of the equation of the circle with endpoints of a diameter at the points (9,4) and (-1,2)
RektbyFaith:
The Standard Form is (x-h)^2+(y-k)^2=R h being the X coordinate k being the y Coordinate. r being the radius. Problems is I don't know how to get the actual equation because i'm not exactly sure how to calculate the center. I can visibly look on the graph but i don't know the exact formula when given the endpoints of a diameter. I can figure it out when I'm given general form and convert it into standard, but i don't know how to calculate the center which thus figure out how to to write the standard form of the equation since i don't have the center.
RektbyFaith:
@Vocaloid
Vocaloid:
rip I was talking w/ a friend anyways the center of a circle is the midpoint of the two ends of the diameter, you just need to apply the midpoint to get the center
Vocaloid:
*the midpoint formula
Vocaloid:
and for radius it's just half the distance between the endpoints, you can find that w/ the distance formula
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