AlgebraEasyInequality for a minimum height
Algebra practice question
Riders on a certain ride must be at least 120 centimetres tall. Which inequality represents the heights h, in centimetres, of people who may ride?
- A. h ≥ 120Correct
- B. h > 120
- C. h ≤ 120
- D. h < 120
Answer: A. h ≥ 120
'At least 120' includes 120.
Why the other answers are wrong
- B. h > 120
- This excludes exactly 120.
- C. h ≤ 120
- This is a maximum.
- D. h < 120
- This is a maximum that excludes 120.
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