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manco6
06.10.2021 •
Mathematics
If 2 is one root of the equation 4x3 + kx - 24 = 0, then the value of k is
a) -1
b) -4
c) 8
d) impossible to determine
Solved
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Ответ:
B
Step-by-step explanation:
We are given the equation:
And that x = 2 is a root. And we want to determine the value of k.
By definition, since x = 2 is a root of the equation, when x = 2, the equation must equal zero:
Solve for k:
Hence, the value of k is -4.
In conclusion, our answer is B.
Ответ:
i think its 40% or 30%
Step-by-step explanation: