The circle $x^2-y^2 + ax -2y -15 = 0$ contains the point $P(-6, 5)$. How would I find a?
Unknowns in Circle Equation
0
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geometry
algebra-precalculus
circles
1 Answers
4
You let $x=-6$ and $y=5$ in your equation for the circle. Then solve for $a$.