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Between which points will −5/2 lie on the number line?

Answer and explanation

Correct answer: −3 and −2

The governing concept is ordering rational numbers on a number line. Convert the fraction to a decimal: -5/2=-2.5. Now compare it with consecutive integers: -3<-2.5<-2. Therefore the point representing -5/2 lies between -3 and -2, so option A is correct. The negative sign is essential; removing it would incorrectly produce the interval from 2 to 3. Option B is wrong because -2.5 is less than -2, so it cannot lie between -2 and -1. Options C and D contain only positive numbers, whereas -5/2 is negative. The same conclusion follows by multiplying the inequalities by 2: -6<-5<-4, which confirms -3<-5/2<-2. Thus A is the only interval satisfying both required inequalities.

Related tags

Negative FractionNumber LineIntegersDecimal ComparisonRational NumbersRepresenting Real Numbers On The Number LinePolynomialsMathematics

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