Math Problem Statement

Which of the following points most closely represents \( \sqrt{97} \)?

Solution

The problem asks you to identify which point on the number line most closely represents 97\sqrt{97}.

Let's start by approximating 97\sqrt{97}.

We know that:

  • 100=10\sqrt{100} = 10
  • 81=9\sqrt{81} = 9

Since 9797 is closer to 100100 than it is to 8181, we can conclude that 97\sqrt{97} is slightly less than 1010.

By calculating 97\sqrt{97} approximately, we get:

979.848\sqrt{97} \approx 9.848

This means 97\sqrt{97} is approximately 9.848, which is just slightly less than 9.9. Looking at the number line, the point labeled "e" is closest to 9.848.

Therefore, the correct answer is B) e.

Would you like a further explanation or have any questions about this process?

Here are some related questions to deepen your understanding:

  1. How can you estimate square roots of numbers that are not perfect squares?
  2. What is the difference between estimating square roots and using a calculator for exact values?
  3. How can you use a number line to represent square roots more accurately?
  4. What are some methods for approximating square roots without a calculator?
  5. How would you handle estimating higher square roots, like 105\sqrt{105}?

Tip: If you need a quick approximation for square roots of numbers between two perfect squares, you can use the average of the two square roots as a rough estimate.

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Math Problem Analysis

Mathematical Concepts

Square Roots
Approximations
Number Lines

Formulas

\( \sqrt{97} \approx 9.848 \)

Theorems

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Suitable Grade Level

Grades 7-9