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On the number line, which one will be to the right, a=√12 or b=3.5?

Answer and explanation

Correct answer: b

The governing concept is that the greater real number lies farther to the right on a number line. Compare the values without relying only on rounded decimals. Since 3.5 is positive, square it: 3.5²=12.25. Because 12<12.25 and both sides are non-negative, taking square roots preserves the order, so √12<√12.25=3.5. Numerically, √12 is approximately 3.464, which confirms the exact comparison. Therefore b=3.5 is to the right, making option B correct. Option A chooses the smaller value, option C is false because the values are unequal, and option D is unnecessary because the comparison is fully determined by squaring positive quantities.

Related tags

Real-NumbersNumber-LineSquare-RootsComparisonRepresenting Real Numbers On The Number LinePolynomialsMathematicsClass 10 Mcq

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