AlgebraHardGreatest integer under an inequality with a negative coefficient
Algebra practice question
What is the greatest integer x for which 5 − 2x ≥ −3?
Answer: 4
−2x ≥ −8 gives x ≤ 4.
Common wrong answers
- If you answered 1
- 1 solves 5 − 2x ≥ 3.
- If you answered 3
- 3 satisfies it but is not the greatest.
- If you answered -4
- −4 forgets to reverse the inequality.
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