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Mathematics 18 Online
OpenStudy (anonymous):

Can someone please help me?

OpenStudy (anonymous):

According to the Rational Root Theorem, what is the relationship between the polynomial equation 2x^4-x^3-7x^2+5x+3=0 and rational roots of the form p/q, where p/q is in simplest form?

OpenStudy (tkhunny):

What is the Rational Root Theorem? Restate it, please.

OpenStudy (anonymous):

A root or zero of a function is a number that, when plugged in for the variable, makes the function equal to zero. Thus, the roots of a polynomial P(x) are values of x such that P(x) = 0 . The Rational Zeros Theorem.

OpenStudy (tkhunny):

"plugged in"? Really. Leading Coefficient: 2 Constant Term: 3 Rational Roots MUST be: \(\dfrac{Integer\;Factor\;of\;3}{Integer\;Factor\;of\;2}\)

OpenStudy (anonymous):

I don't understand

OpenStudy (tkhunny):

Can you name the integer factors of 3?

OpenStudy (anonymous):

1 and 3?

OpenStudy (tkhunny):

Good try. +/- 1 and +/- 3 -- There are four. Do the same for 2.

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