Section 1.9a class notes_0

# Section 1.9a class notes_0 - interval Step 6:Substitute the...

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Section 1.9a Polynomial Inequalities Objective 1: Solving Polynomial Inequalities Steps for Solving Polynomial Inequalities Step 1: Move all terms to one side of the inequality leaving 0 on the other side. Step 2: Factor the nonzero side of the inequality. Step 3: Find all boundary points by setting the factored polynomial equal to zero. Step 4: Plot the boundary points on a number line. If the inequality is or , use a solid circle . If the inequality is < or >, use an open circle . Step 5: Now that the number line is divided into intervals, pick a test value from each
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Unformatted text preview: interval. Step 6:Substitute the test value into the polynomial and determine whether the expression is positive or negative on the interval. Step 7: Determine the intervals that satisfy the inequality. 1.9.6 Solve the inequality. Write the solution in interval notation. The solution is ____________________________. 1.9.10 Solve the inequality. Write the solution in interval notation. The solution is ____________________________....
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