If one zero of a quadratic polynomial $x^{2} + 3 x + k$ is $2$ . Find the value of $k$ .

2

No worries! We‘ve got your back. Try BYJU‘S free classes today!

- 10

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

- 5

No worries! We‘ve got your back. Try BYJU‘S free classes today!

9

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is A $- 10$
$2$ is a zero of $x^{2} + 3 x + k$ .

Thus, $(2)^{2} + 3 (2) + k = 0$

$k + 10 = 0$

$k = - 10$

Suggest Corrections

Similar questions

x^{2} + 3 x + k

2

k

If one zero of the quadratic polynomial $k x^{2} + 3 x + k$ is 2 then the value of k is

(a) $\frac{5}{6}$ (b) $\frac{- 5}{6}$ (c) $\frac{6}{5}$ (d) $\frac{- 6}{5}$

x^{2} - x - (2 + 2 k) i s - 4

K

Join BYJU'S Learning Program