Question

What is the distance between the points \( (-2, -3) \) and \( (3, 5) \)?

Ask by Morrison Mills. in South Africa
Feb 03,2025

Real Tutor Solution

Tutor-Verified Answer

Answer

The distance between the points \((-2, -3)\) and \((3, 5)\) is \(\sqrt{89}\) units, which is approximately 9.434 units.

Solution

To find the distance between the points \((-2, -3)\) and \( (3, 5) \), you can use the **distance formula**, which is derived from the Pythagorean theorem: \[ \text{Distance} = \sqrt{(x_2 - x_1)^2 + (y_2 - y_1)^2} \] **Step-by-Step Calculation:** 1. **Identify the coordinates:** - Point 1: \((x_1, y_1) = (-2, -3)\) - Point 2: \((x_2, y_2) = (3, 5)\) 2. **Calculate the differences in the coordinates:** - \(x_2 - x_1 = 3 - (-2) = 5\) - \(y_2 - y_1 = 5 - (-3) = 8\) 3. **Apply the distance formula:** \[ \text{Distance} = \sqrt{5^2 + 8^2} = \sqrt{25 + 64} = \sqrt{89} \] 4. **Simplify the square root (if needed):** - \(\sqrt{89}\) is an irrational number and cannot be simplified further in terms of integers. - If a decimal approximation is desired: \[ \sqrt{89} \approx 9.434 \] **Final Answer:** The distance between the points \((-2, -3)\) and \((3, 5)\) is \(\sqrt{89}\), which is approximately **9.434 units**.

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To find the distance between the points \( (-2, -3) \) and \( (3, 5) \), you can use the distance formula, which is \( d = \sqrt{(x_2 - x_1)^2 + (y_2 - y_1)^2} \). Here, \( (x_1, y_1) = (-2, -3) \) and \( (x_2, y_2) = (3, 5) \). So, \[ d = \sqrt{(3 - (-2))^2 + (5 - (-3))^2} = \sqrt{(3 + 2)^2 + (5 + 3)^2} = \sqrt{5^2 + 8^2} = \sqrt{25 + 64} = \sqrt{89}. \] Thus, the distance is \( \sqrt{89} \), which is approximately 9.43 units. Did you know that the distance formula is rooted in the Pythagorean theorem? That means every time you calculate a distance between two points in a plane, you're essentially using a geometric principle discovered well over 2,500 years ago! Pythagoras would certainly appreciate your math skills. It's also easy to stumble over the signs and order of the points! A common mistake is to forget which point is which when squaring the differences, leading to wrong calculations. Always double-check your subtraction for accuracy – it’s a simple slip that can throw off your final answer!

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