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04.07.2019 •
Mathematics
Which values are possible rational roots of 9x^3 + 14x^2 - x + 18=0 according to the rational root theorem? select each correct answer
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Ответ:
The correct answers is B and D.
EXPLANATION
According to the rational root theorem, all factors of 18 divided by all factors of 9 are possible rational roots.
Therefore option B and D are the correct answers.
Ответ:
Step-by-step explanation:
I understand why this was kind tough
the slope of line d is infinite and the slope of line c is zero
so line c 's equation looks like y = 3 ... it's kinda confusing but the line is always 3 so you could pick any x value and y = 3 still. the equation y=3 doesn't rely on x at all to answer it. But x is part of the "frame work" that is implied.
line d is x = 3 , again , y is part of the "frame work" and implied that y doesn't matter in this equations, you always have x = 3 .. or a vertical line , btw. line d does NOT pass the vertical line test , and therefore isn't a function, so the question is wrong, that d will have an equation, b/c there is an implication that d is a function when you say "what is the equation to line d" that is must be a function. But in this case it's not. hm :/ food for thought