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TEAS MathematicsDistance is never negative

Absolute ValueATI TEAS 7 cheat sheet

Distance is never negative

9 key facts 4 practice questions Reviewed Oct 2026
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Definition

  • |x| is the distance from zero
  • Always zero or positive
  • |−6| = 6, |6| = 6

In Expressions

  • Treat the bars like parentheses — simplify inside first
  • |3 − 8| = |−5| = 5
  • −|−5| = −5 — the outside sign stays

Equations

  • |x| = 7 has two solutions: x = 7 or x = −7
  • |x| = −3 has no solution

In Context

  • Used for difference regardless of direction — temperature swings, elevation
Key takeaway

Distance is never negative

Before you read

Test yourself first: 4 questions

Question 1 of 4

What is the value of 2³?

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