Section 1.9b class notes_0

Section 1.9b class notes_0 - open circle on the number line...

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Section 1.9b Rational Inequalities Objective 2: Solving Rational Inequalities A rational inequality can be solved using a technique similar to the one used to solve a polynomial inequality except that the boundary points are found by setting both the polynomial in the numerator and the denominator equal to zero. Since division by zero is never permitted, the boundary points that are found by setting the polynomial in the denominator equal to zero must always be represented by an
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Unformatted text preview: open circle on the number line. You cannot multiply both sides of the inequality by a variable term t o clear the fraction. This is because we do not know if that term is negative or positive; therefore, we do not know whether or not we would need to reverse the direction of the inequality. 1.9.11-14 Solve the inequality. Express the answer using interval notation....
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