find the value of k for which one root of the quadratic equation kx ^2 - 14 x + 8 =0 is 2
Answers
Answered by
2
Answer:
x=2
4k -28 + 8 =0
4k -20=0
4k =20
k=5
Answered by
1
Answer:
k=5
Step-by-step explanation:
x= 2
kx²-14x+8
k(2)²-14(2)+8
4k - 28 + 8 =0
4k -20=0
k=20/4
k=5
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