Question

1 point 3. If x=3 is a solution of 2x2 + kx + 15 = 0, the value of k is = 0 -11 0 +11 امی O +33 0 -33​

Answer 1

Answer:

-11

Step-by-step explanation:

here,

given x=3 is root of equation so..put x=3

2(3)^2 + k(3) + 15 =0

18 + 3k + 15=0

3k = -33

k = -11