Question

2x^2-7x+k=0 is x=-1/2

Answer 1

Answer:

2x^2-7x+k=0

given:- x= -1/2

so x= -1/2 is a root of the equation.

i.e 2×(-1/2)^2-7× -1/2+ k= 0

1/2+7/2+k= 0

8/2+k=0

k= -4

hope it helps you

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