Yomarie1104
28.01.2020 •
Mathematics
What is the value of k if 2x3 − 3x2 kx − 4 is divided by x − 3 and gives a remainder of −7? −10 −26 10 26
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Ответ:
|x^3|x^2|x^1|x^0
|2 |-3 |k |-4
x=3| |6 |9 |3k+27.
|2 |3 |k+9|3k+23.
If remainder=-7 then -7=3k+23==>3k=-7-23==>3k=-30==>k=-10
Answer A
Ответ:
A) -5
Answer to the 2nd question: the linear factors of the cubic are: A) (x-2)(x-3)(x-5)
Answer to the 3rd question: to solve for the leading coefficient, use: D) -5=a(0-2)(0-3)(0-5)
Answer to the 4th question: A=1/6
Answer to the 5th question: write the function: f(x)=1/6 x^3-=5/3 x^2+=31/6 x-=5