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> Inequalities <
≥ ≤ Solving Absolute Value Inequalities | X |
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Let’s Review GRAPH SIGN DEFINE / KEY WORD |X| > OR |X| < AND
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Absolute Value Inequalities
You can think of the absolute value of a real number as the answer to the question … How far does this real number lie from zero (the origin) on the real number line?
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Absolute Value Inequalities
Or more simply… What is the distance between zero and this number?
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Let’s Continue to Review
|X| > 4 OR X > 4 X < -4 -4 4
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Solving Absolute Value Inequalities
and x – 3 < 5 x – 3 > -5 X < 8 X > -2 -2 < x < 8 -2 8
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Solving Absolute Value Inequalities
| 8x| > 40 or 8x > 40 8x < -40 8x > 40 8x < -40 X > 5 X < -5 or -5 > x > 5 -10 -5 5 10
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Solving Absolute Value Inequalities
| 2x + 1 | > 9 or 2x + 1 > 9 2x + 1 < -9 2x > 8 2x < -10 X > 4 X < -5 or -5 > x > 4 -10 -5 5 10
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(show or explain your work in detail…must be legible)
Let’s practice: Problem Solve / Graph Problem (show or explain your work in detail…must be legible) Answer (must be legible) Solve and graph the inequality on a number line. |c +6| > 12 |n – 5| < 10 |3y| ≥ 27
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