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In a square root spiral, point P is at a distance \(\sqrt{10}\) from the origin and point Q is at a distance \(\sqrt{11}\). A student says that P is farther because 10 is smaller. What is the correct conclusion?

Answer and explanation

Correct answer: Q is farther than P because \(\sqrt{11}>\sqrt{10}\)

For positive numbers, the square-root function is increasing. Since \(11>10\), we get \(\sqrt{11}>\sqrt{10}\), so Q is farther from the origin. Exam tip: compare the numbers inside the roots first.

Related tags

Number SystemsSquare Root SpiralIrrational NumbersComparing Square RootsDistance From OriginMathematicsClass 9 Mcq

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