1310-Notes-Sec-28-big-filled

1310-Notes-Sec-28-big-filled - Math 1310 Section 2.8...

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Math 1310 Class Notes – Section 2.8, Page 1 of 9 Math 1310 Section 2.8 Absolute Value In this lesson, you’ll learn to solve absolute value equations and inequalities. Evaluating with absolute value Example 1: Evaluate 3(1 7 ) x - when x = 3. Absolute value equations Next, we’ll look at absolute value equations. You can use this rule: for any positive C, x C = implies x C = ± . If C is negative, then there is no solution. If C = 0, then x = 0.
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Math 1310 Class Notes – Section 2.8, Page 2 of 9 Example 2: Solve for x : 8 x = Example 3: Solve for x : 3 x = - Example 4: Solve for x : 5 12 x + =
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Math 1310 Class Notes – Section 2.8, Page 3 of 9 Example 5: Solve for x : 2 5 15 x - + = Example 6: Solve for x : 3 1 12 x - =
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Math 1310 Class Notes – Section 2.8, Page 4 of 9 Example 7: 5 2 3 1 11 x - + - = - Example 8: Solve for x : 3 1 8 3 x + + =
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Math 1310 Class Notes – Section 2.8, Page 5 of 9 Absolute value inequalities Next, we’ll look at inequalities. The approach to these problems will depend on whether the problem
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1310-Notes-Sec-28-big-filled - Math 1310 Section 2.8...

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