Question

If one root of the quadratic equation 2x^2 + kx - 6 = 0 is 2 the value of k​

Answer 1

Step-by-step explanation:

f(x)=2x^2+kx-6=0

given root of f(x)=2

f(2)=2(2)^2+k(2)-6=0

=4×2+2k=6

= 8+2k=6

= 2k=6-8

k=-2/2

k=-1

this is the required ans....

Hope this helped u...