If T={x: x is an integer and -1≤x≤3}, what is T?
Answer and explanation
Correct answer: T={-1,0,1,2,3}
The governing concept is describing a set by listing all integers in a closed interval. Starting at -1 and moving through consecutive integers up to 3 gives -1, 0, 1, 2, and 3. Both endpoints are included because the symbols are ≤ rather than <. B omits -1, C omits 0, and D includes -2 while omitting 3, so only A satisfies the complete condition.
Frequently asked questions
What is the correct answer to this question?
T={-1,0,1,2,3}
Why is this the correct answer?
The governing concept is describing a set by listing all integers in a closed interval. Starting at -1 and moving through consecutive integers up to 3 gives -1, 0, 1, 2, and 3. Both endpoints are included because the symbols are ≤ rather than <. B omits -1, C omits 0, and D includes -2 while omitting 3, so only A satisfies the complete condition.
Which subject and chapter does this question cover?
This is a Class 9 Mathematics question. Chapter: Number Systems.
Student feedback
Was this question useful?
👍 0 Helpful 👎 0 Not helpful
Yes 0% No 0%
0 responsesStudent Reviews
No published reviews yet.
