6. Point V is somewhere on UW. If UV = 2x-13, VW = -18+2x, and UW = 17 then find the length of UV. 2х - 13 -18 + 2x U • V 17

Elementary Geometry For College Students, 7e
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ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
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ChapterP: Preliminary Concepts
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**Geometry Segment Addition Postulate – Activity 1.4.1**

---

**Problem 6: Segment Addition Postulate**

**Given:**
Point \( V \) is somewhere on \(\overline{UW}\). If \( UV = 2x - 13 \), \( VW = -18 + 2x \), and \( UW = 17 \), then find the length of \(\overline{UV}\).

**Diagram:**
```
U ---------------------- V ---------------------- W
  |  UV = 2x - 13   |  VW = -18 + 2x  |
  |------------------------------------------|
                      UW = 17
```

**Solution Steps:**

1. Apply the Segment Addition Postulate which states:
   \[
   UV + VW = UW
   \]
   
2. Substitute the given expressions into this equation:
   \[
   (2x - 13) + (-18 + 2x) = 17
   \]

3. Simplify the equation:
   \[
   2x - 13 - 18 + 2x = 17
   \]
   \[
   4x - 31 = 17
   \]

4. Solve for \( x \):
   \[
   4x - 31 = 17
   \]
   \[
   4x = 48
   \]
   \[
   x = 12
   \]

5. Find the length of \(\overline{UV}\) by substituting \( x = 12 \) back into \( UV = 2x - 13 \):
   \[
   UV = 2(12) - 13
   \]
   \[
   UV = 24 - 13
   \]
   \[
   UV = 11
   \]

**Answer:**
- The length of \(\overline{UV}\) is \( 11 \).

**Multiple-choice options:**
- \( \circ \) 12
- \( \circ \) 6
- \( \circ \) 11

The correct answer is 11.

**Contributors:**
- Rayce Dendel, Academic Coach
- Dave Whitehead, Teacher

This content is designed for educational purposes to enhance your understanding of the Segment Addition Postulate in geometry. 

---

By practicing these steps, students will
Transcribed Image Text:**Geometry Segment Addition Postulate – Activity 1.4.1** --- **Problem 6: Segment Addition Postulate** **Given:** Point \( V \) is somewhere on \(\overline{UW}\). If \( UV = 2x - 13 \), \( VW = -18 + 2x \), and \( UW = 17 \), then find the length of \(\overline{UV}\). **Diagram:** ``` U ---------------------- V ---------------------- W | UV = 2x - 13 | VW = -18 + 2x | |------------------------------------------| UW = 17 ``` **Solution Steps:** 1. Apply the Segment Addition Postulate which states: \[ UV + VW = UW \] 2. Substitute the given expressions into this equation: \[ (2x - 13) + (-18 + 2x) = 17 \] 3. Simplify the equation: \[ 2x - 13 - 18 + 2x = 17 \] \[ 4x - 31 = 17 \] 4. Solve for \( x \): \[ 4x - 31 = 17 \] \[ 4x = 48 \] \[ x = 12 \] 5. Find the length of \(\overline{UV}\) by substituting \( x = 12 \) back into \( UV = 2x - 13 \): \[ UV = 2(12) - 13 \] \[ UV = 24 - 13 \] \[ UV = 11 \] **Answer:** - The length of \(\overline{UV}\) is \( 11 \). **Multiple-choice options:** - \( \circ \) 12 - \( \circ \) 6 - \( \circ \) 11 The correct answer is 11. **Contributors:** - Rayce Dendel, Academic Coach - Dave Whitehead, Teacher This content is designed for educational purposes to enhance your understanding of the Segment Addition Postulate in geometry. --- By practicing these steps, students will
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