Free Practice Question
PS · Problem Solving
605-655
Inequalities
What are the possible positive integer values for k if -30 < 8k – 4 ≤ 4?
Answer Choices
Correct answer marked belowA
Zero
One
Correct
C
Two
D
Three
E
Four
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Explanation
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Official Explanation
Official
To find the possible positive integer values for k, we start with the inequality -30 < 8k - 4 ≤ 4. First, we can break this into two parts. Starting with the left side, we solve -30 < 8k - 4. Adding 4 to both sides gives us -26 < 8k. Dividing by 8 results in -3.25 < k, which means k must be greater…
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Comments
3
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C
ChahitaFeb 15, 2025
Thank you very much!
A
AryamanMar 31, 2025
Greatt
D
DEBRUPJan 31, 2024
thanksss
What this question tests
What it tests
Your ability to solve and combine linear inequalities and reason about ranges of values.
Common trap
Failing to flip the inequality sign when multiplying or dividing by a negative, or missing an inclusive/exclusive endpoint.
Details
Difficulty
605-655
Type
PS
Category