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Lv 6

The Visionary asked in Science & Mathematics Mathematics · 8 years ago

Find the equation of the circle whose center is at the point (1,-7) and which passes through the point (-4, 5?

Easy points time again. Show working.

Update:

So r^2 would be?

1 Answer

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ted s
Lv 7
8 years ago
Favourite answer
( x - h )² + ( y - k )² = r² .....
(h,k) is the center and r = distance from center to the point on the circle
{ ( x - 1 )² + ( y + 7 )² = ( 5 - (-7))² + ( - 4 - 1 )² }

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