Question

For what value of k, is 2 a zero of the polynomial 5x2 +2x +k
class 10 maths.​

Answer 1

Answer:

$5(2) {}^{2} + 2(2) + k \\ 5(4) + 4 + k \\ 20 + 4 + k \\ 24 + k = 0 \\ k = 0 - 24 \\ k = - 24$