Subjects algebra

Sqrt 130 Interval 502C05

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Question: Between which two integers does the square root of 130 lie?
1. **State the problem:** We need to find two consecutive integers between which the value of $\sqrt{130}$ lies. 2. **Recall the concept:** The square root of a number $n$ is a value $x$ such that $x^2 = n$. 3. **Find perfect squares near 130:** - $11^2 = 121$ - $12^2 = 144$ 4. Since $121 < 130 < 144$, it follows that: $$11^2 < 130 < 12^2$$ 5. Taking square roots on all parts (noting square root is increasing for positive numbers): $$11 < \sqrt{130} < 12$$ 6. **Conclusion:** The square root of 130 lies between the integers 11 and 12.