find value of k if 2 x minus 1 is a factor of polynomial 6 X square + kx -2
Answers
Answered by
39
2x-1=0
x=1/2
6xsquare+kx-2=0
6(1/4)+k(1/2)-2=0
(3/2)+(k/2)-(4/2)=0
3+k-4=0
k=1
x=1/2
6xsquare+kx-2=0
6(1/4)+k(1/2)-2=0
(3/2)+(k/2)-(4/2)=0
3+k-4=0
k=1
Answered by
0
Answer:
k= -3
Step-by-step explanation:
p(1/2) = 6 × (1/2)² + k ×(1/2) -2
= 3 -k =0
3=k
there for k = 3
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