SOLUTION: Find the values of k for which the line {{{y + kx = 8}}} is a tangent to the curve {{{(x)^(2) + 4y = 20}}}. *Please answer as soon as possible bro :)

Algebra ->  Coordinate-system -> SOLUTION: Find the values of k for which the line {{{y + kx = 8}}} is a tangent to the curve {{{(x)^(2) + 4y = 20}}}. *Please answer as soon as possible bro :)       Log On


   

Question 473377: Find the values of k for which the line y+%2B+kx+=+8 is a tangent to the curve %28x%29%5E%282%29+%2B+4y+=+20.
*Please answer as soon as possible bro :)
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Whereever they meet, the y-values will be the same.
So solve each one for y.
Use that to solve for "x".
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Cheers,
Stan H.