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Veena Nagar
Asked: 2022-11-06T18:07:52+05:30 In:

If x=-1/2,is a solution of the quadratic equation 3x^2 +2kx-3=0,find value of k.

If x=-1/2,is a solution of the quadratic equation 3x^2 +2kx-3=0,find value of k.
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  1. So easy put the value of x in given eqn

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Bimla Hrishikesh D’Alia
Asked: 2022-11-05T20:26:41+05:30 In:

If `x=-(1)/(2)` is a solution of the quadratic equation `3x^(2)+2kx-3=0`, find the velue of k.

If `x=-(1)/(2)` is a solution of the quadratic equation `3x^(2)+2kx-3=0`, find the velue of k.
Parabola
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  1. Correct Answer – `k=(-9)/(4)`
    Since `x=(-1)/(2)` is a solution of `3x^(2)+2kx-3=0,` we have
    `3xx((-1)/(2))^(2)+2kxx((-1)/(2))-3=0`
    `implies” “(3)/(4)-k-3=0impliesk=((3)/(4)-3)=(-9)/(4).`

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