7. The city is planning to build a road R that goes through McDonald's and Burger King. The two fast food restaurants can easily be found on a grid of their city. The coordinates of McDonald's are M(2,- 4) and the coordinates of Burger King are B(-4,6). a. Use the grid provided to plot the location of McDonald's and Burger King, and then write the equation of road R which passes through the two restaurants. -10 -8 -6 -4 -2 10 000 8 6 4 2 -2 -4 -6 -8 -10 NE 2 4 6 8 10

Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter2: Systems Of Linear Equations
Section2.4: Applications
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The city is planning to build a road R that goes through McDonald's and Burger King. The two fast food restaurants can easily be found on a grid of their city. The coordinates of McDonald's are M(2, - 4) and the coordinates of Burger King are B (- 4, 6).

a. Use the grid provided to plot the location of McDonald's and Burger King, and then

**Level: 7-8**

---

**Problem 7:**

The city is planning to build a road \( R \) that goes through McDonald's and Burger King. The two fast-food restaurants can easily be found on a grid of their city. The coordinates of McDonald's are \( M(2, -4) \) and the coordinates of Burger King are \( B(-4, 6) \).

**Part a:**

1. Use the grid provided to plot the location of McDonald's and Burger King.
2. Write the equation of road \( R \) which passes through the two restaurants.

   - *Coordinates of McDonald's*: \( M(2, -4) \)
   - *Coordinates of Burger King*: \( B(-4, 6) \)

*Graph Description:*

The provided grid is a standard Cartesian coordinate plane with x and y axes ranging from -10 to 10. Each unit is marked and the axes intersect at the origin (0,0). 

**Steps to Plot:**

- Plot McDonald's at point \( (2, -4) \).
- Plot Burger King at point \( (-4, 6) \).
- Draw a line through these two points to represent road \( R \).

**Part b:**

The city is also planning to build another road \( P \) that is the perpendicular bisector of the portion of road \( R \) between McDonald's and Burger King. Write down the equation of road \( P \).

--- 

In summary, this problem involves plotting points on a coordinate plane and finding equations of lines based on specified conditions. Road \( R \) is determined by the coordinates of McDonald's and Burger King, while road \( P \) needs to be the perpendicular bisector of the segment connecting these two points.
Transcribed Image Text:**Level: 7-8** --- **Problem 7:** The city is planning to build a road \( R \) that goes through McDonald's and Burger King. The two fast-food restaurants can easily be found on a grid of their city. The coordinates of McDonald's are \( M(2, -4) \) and the coordinates of Burger King are \( B(-4, 6) \). **Part a:** 1. Use the grid provided to plot the location of McDonald's and Burger King. 2. Write the equation of road \( R \) which passes through the two restaurants. - *Coordinates of McDonald's*: \( M(2, -4) \) - *Coordinates of Burger King*: \( B(-4, 6) \) *Graph Description:* The provided grid is a standard Cartesian coordinate plane with x and y axes ranging from -10 to 10. Each unit is marked and the axes intersect at the origin (0,0). **Steps to Plot:** - Plot McDonald's at point \( (2, -4) \). - Plot Burger King at point \( (-4, 6) \). - Draw a line through these two points to represent road \( R \). **Part b:** The city is also planning to build another road \( P \) that is the perpendicular bisector of the portion of road \( R \) between McDonald's and Burger King. Write down the equation of road \( P \). --- In summary, this problem involves plotting points on a coordinate plane and finding equations of lines based on specified conditions. Road \( R \) is determined by the coordinates of McDonald's and Burger King, while road \( P \) needs to be the perpendicular bisector of the segment connecting these two points.
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