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If x = -√29 on the number line, in which interval will x lie?

Answer and explanation

Correct answer: Between -6 and -5

The governing concept is bounding a square root between consecutive integers and then applying the effect of a negative sign. Since 25 < 29 < 36, taking principal square roots gives 5 < √29 < 6. Multiplying all parts by -1 reverses the inequality signs, so -6 < -√29 < -5. Therefore x lies between -6 and -5, making option B correct. Options C and D describe positive intervals and ignore the negative sign in x. Option A is also incorrect because -√29 is less than -5 but greater than -6; it is not between -5 and -4. The bounds are exact enough to identify the interval without calculating a decimal approximation.

Related tags

Number-LineNegative-Square-RootInteger-BoundsIntervalsRepresenting Real Numbers On The Number LinePolynomialsMathematicsClass 10 Mcq

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