Find the distance between the pair of points. (6,9) and (12,17) The distance between the points is units. (Round to two decimal places as needed.)

Algebra and Trigonometry (6th Edition)
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ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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#9
**Finding the Distance Between Two Points**

To determine the distance between the pair of points \((6, 9) \) and \((12, 17) \):

1. **Identify the coordinates**: 
   \[
   (x_1, y_1) = (6, 9)
   \]
   \[
   (x_2, y_2) = (12, 17)
   \]

2. **Apply the distance formula**: The distance \(d\) between two points \((x_1, y_1) \) and \((x_2, y_2) \) is given by:
   \[
   d = \sqrt{(x_2 - x_1)^2 + (y_2 - y_1)^2}
   \]

3. **Substitute the coordinates** into the formula:
   \[
   d = \sqrt{(12 - 6)^2 + (17 - 9)^2}
   \]
   \[
   d = \sqrt{6^2 + 8^2}
   \]
   \[
   d = \sqrt{36 + 64}
   \]
   \[
   d = \sqrt{100}
   \]
   \[
   d = 10
   \]

Thus, the distance between the points is 10 units. Round to two decimal places as needed, though in this case, the exact answer is already 10.00 units.

**Visualization**: 
Imagining this on a coordinate plane, the two points create a right triangle with legs of length 6 and 8 units. The distance calculated is the length of the hypotenuse of this triangle, which confirms our calculations using the Pythagorean Theorem.
Transcribed Image Text:**Finding the Distance Between Two Points** To determine the distance between the pair of points \((6, 9) \) and \((12, 17) \): 1. **Identify the coordinates**: \[ (x_1, y_1) = (6, 9) \] \[ (x_2, y_2) = (12, 17) \] 2. **Apply the distance formula**: The distance \(d\) between two points \((x_1, y_1) \) and \((x_2, y_2) \) is given by: \[ d = \sqrt{(x_2 - x_1)^2 + (y_2 - y_1)^2} \] 3. **Substitute the coordinates** into the formula: \[ d = \sqrt{(12 - 6)^2 + (17 - 9)^2} \] \[ d = \sqrt{6^2 + 8^2} \] \[ d = \sqrt{36 + 64} \] \[ d = \sqrt{100} \] \[ d = 10 \] Thus, the distance between the points is 10 units. Round to two decimal places as needed, though in this case, the exact answer is already 10.00 units. **Visualization**: Imagining this on a coordinate plane, the two points create a right triangle with legs of length 6 and 8 units. The distance calculated is the length of the hypotenuse of this triangle, which confirms our calculations using the Pythagorean Theorem.
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