Math, asked by ArchitaPriyadarshine, 5 months ago

if 1/2is a root of the quadratic equation x^2+kx--5/4 then find the value of k​

Answers

Answered by honeyeee
2

Answer:

Step-by-step explanation:

put x=1/2 in equation

(\frac{1}{2})^2+k(\frac{1}{2}) -\frac{5}{4}=0 \\ \\\frac{1}{4}+\frac{k}{2}-\frac{5}{4}=0\\\\\frac{k}{2}=\frac{5}{4}-\frac{1}{4}\\\\k=\frac{2}{4}\times4=2

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