Math Problem Statement
A quantity t that is greater than -5 and less than 4. Select the correct inequality from the options.
Solution
The statement asks for an inequality describing a quantity that is greater than and less than 4. This means we want to express the condition , which states that is between and 4, not inclusive of the endpoints.
Looking at the answer choices:
- A. : This is incorrect because it is not a valid mathematical expression. It tries to compare with two values incorrectly.
- B. : This is incorrect because it implies is less than and less than 4, which is not the desired condition.
- C. : This is incorrect because it implies can be equal to and 4, but the problem asks for to be strictly between them.
- D. : This is correct. It matches the description perfectly.
- E. : This is incorrect because it suggests could be equal to both and greater than 4, which is not possible.
Therefore, the correct answer is D: .
Do you have any questions or need further explanation?
Here are 5 follow-up questions for practice:
- How would you write an inequality for a number that is greater than or equal to 2 but less than 8?
- What does it mean if an inequality uses instead of ?
- Can you graph the solution to the inequality ?
- What is the difference between strict inequalities and non-strict inequalities?
- How would you solve an inequality like ?
Tip: When solving inequalities, always remember that flipping the inequality sign is necessary when multiplying or dividing by a negative number!
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Math Problem Analysis
Mathematical Concepts
Inequalities
Number Line
Algebra
Formulas
-5 < t < 4
Theorems
Properties of inequalities
Suitable Grade Level
Grades 6-8