th math analysis precalculus sullivan 10 edition section 4 4 polynomial and rational inequalities solving a quadratic inequality in this section you will solve inequalities that involve polynomials of degree ...
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...Th math analysis precalculus sullivan edition section polynomial and rational inequalities solving a quadratic inequality in this you will solve that involve polynomials of degree higher along with functions the approach follows same methodology we used to involving these rearrange them so is on left side right factor use zeros divide real number line into intervals choose test numbers each interval evaluate see if it positive or negative example x old method both factors are solution graph new separate three based at want circle columns sign bottom row column can have equality include endpoints but what equation has no theorem p solutions either always discriminant b ac parabola opens upward since coefficient term point say by for all chsec continued recall ab abb...