Question

1. If one root of the quadratic equation 2x2 + kx + 4 = 0 is 2,
then the other root is​

Answer 1

Answer:

let other root be a

then

a + 2 = -k/2

and

2a = 4/2

2a = 2

a = 1

so other root is 1

(we can find value of k also

2 + 2 = -k/2

-k/2 = 4

k = -8)