Question

find the value of k s.t that 5/2is a root of the quadratic equation 14x^2-27x+k=0

Answer 1

Answer:

Step-by-step explanation:

Substitute the value of X i.e 5/2

14×5/2^2-27×5/2+k=0

14×25/4-135/2+k=0

7×25/2-135/2+k=0

175/2-135/2+k=0

40/2+k=0

20+k=0

K=-20