Question

One of the roots of the quadratic equation Kx2-3x-1=0 is1/2
Complete the following activity to find the value of x​

Answer 1

Answer:

One of the roots of the quadratic equation

Kx2-3x-1=0 is 1/2

Put x = 1/2

We get,

K*1/4 - 3/2 - 1 = 0

K*1/4 = 5/2

K = 10