Question

If x= 3/2 is a zero of polynomial 2xsquare+ kx- 12 then find the value of k?

Answer 1

Answer:

5

Step-by-step explanation:

please have a look at the attachment

Answer 2

Step-by-step explanation:

2×3/2×3/2+k×3/2-12=0(putting the value of of x=3/2)

2×9/4+3k/2-12=0

9/2+3k/2=0

9/2+3k/2-24/2=0

3k-15/2=0

k=5

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