4x^3 -10x^2 -8x +6 =0 List all 16 rational numbers which could possibly be roots of this polymonial. What does it mean by rational numbers? I am very confused and not sure about how to do this question.
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Originally Posted by fvaras89 4x^3 -10x^2 -8x +6 =0 List all 16 rational numbers which could possibly be roots of this polymonial. What does it mean by rational numbers? I am very confused and not sure about how to do this question. A rational number is one that can be written as the ratio of two integers. Google for "rational roots theorem". CB
Rational numbers are numbers that can be represented as a fraction. Counting numbers and negative numbers are Rationals. 6 -48 -- --- 1 1 But here are some other Rationals... .66666... = 2/3 .9 = 9/10 And so on. Hope this helps!!
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