AlgebraEasyMultiplying an inequality by 2
Algebra practice question
The inequality x/2 > 4 is equivalent to which of the following?
- A. x > 8Correct
- B. x > 2
- C. x < 8
- D. x > 6
Answer: A. x > 8
Multiply both sides by 2: x > 8.
Why the other answers are wrong
- B. x > 2
- Divides instead of multiplying.
- C. x < 8
- Multiplying by a positive number does not reverse the sign.
- D. x > 6
- Adds 2 instead of multiplying.
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