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anonymous
 one year ago
Determine value of k so that following system has one solution.
x^2 2xy+4= 0
y = kx+3
anonymous
 one year ago
Determine value of k so that following system has one solution. x^2 2xy+4= 0 y = kx+3

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e.mccormick
 one year ago
Best ResponseYou've already chosen the best response.1The first equation is a parabola of soe sort. So what you need to do is find where it and the line only touch at one point.

e.mccormick
 one year ago
Best ResponseYou've already chosen the best response.1dw:1434160216012:dw for example.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0i used system of equation to get x^2 2xkx3+4 = 0 But what do i do next though

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0it has something to do with b^2  4 a c = 0

e.mccormick
 one year ago
Best ResponseYou've already chosen the best response.1Well, what is the vertex of that parabola at? I ask because if you are only going to touch one point, then the vertex or near it are likely unless the line has a bunch of slope...
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