Question

If 1/2 is a root of the equation x square +kx-5/4=0 then the value of k is
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Answer 1

Answer:

1.5-x

Step-by-step explanation:

1/2^2 = x^2 + kx - 5/4

0.25=x*x+(k*x) -1.25

1.5=x*x+k*x

1.5-x^2/x=k

1.5-x=k