Saturday, 21 June 2014

For what range of k values will the linear-quadratic system below have 2 solutions? y=2x^2+4+5 y=kx-3

So you have

this equation will have two solutions if and
only if its discriminant where are coeffitients of quadratic
equation.


So for you would have 1 solution and for all other values of you
would have 2 solutions which would be complex if discriminant is negative and real if
discriminant is positive.

 

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