Question

3. If x = is a zero of the polynomial
2x² + kx - 12, then find the value of k.
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Answer 1

Step-by-step explanation:

put the value of x in the place of variable x

for example if x=1

so on putting x=1

2+k-12=0

2+k=12

k=10.

you can do any question in this manner

it is just an example.

Answer 2

put the value of x in the place of variable x

for example if x=1

so on putting x=1

2+k-12=0

2+k=12

k=10.

you can do any question in this manner

it is just an example.