Question

one root of the quadratic equation
Kx²-5x+2=0 is 2, then value of k​

Answer 1

Answer:

K=2

Step-by-step explanation:

2 is the root.

So, f(2)=0.

Substitute 2 in the equation.

K(4)-5(2)+2=0

4k-8=0

K=8/4 = 2.