These are sample practice MCQs created for exam preparation. These are NOT official exam questions.
If -3 < 2x + 5 < 11, what is the range of values for x?
Question:
If -3 < 2x + 5 < 11, what is the range of values for x?
If -3 < 2x + 5 < 11, what is the range of values for x?
Options
Answer: (A) -4 < x < 3
Explanation:
Solving -3 < 2x + 5: -3 - 5 < 2x, so -8 < 2x, giving -4 < x. Solving 2x + 5 < 11: 2x < 11 - 5, so 2x < 6, giving x < 3. Combined: -4 < x < 3.
Explanation:
Solving -3 < 2x + 5: -3 - 5 < 2x, so -8 < 2x, giving -4 < x. Solving 2x + 5 < 11: 2x < 11 - 5, so 2x < 6, giving x < 3. Combined: -4 < x < 3.
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