(adsbygoogle = window.adsbygoogle || []).push({}); Maths Quadratic Question

1. The problem statement, all variables and given/known data

Find the interval in which 'm' lies so that the expression

[tex]\frac{mx^2+3x-4}{-4x^2+3x+m}[/tex]

can take all real values ,where x is real.

3. The attempt at a solution

i have equated this equation to y

[tex]y=\frac{mx^2+3x-4}{-4x^2+3x+m}[/tex]

then

[tex](-4y-m)x^2+(3y-3)x+(ym-4)=0[/tex]

but then it becomes quadratic equation in many variables .

please give hints or steps to solve the problem.

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# Homework Help: Finding for interval of m in quadratic equation.

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