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Chapter 4: Q7. (page 178)

For exercises 7-10, use the rectangle at the right

Write the coordinates in a vertex matrix

Short Answer

Expert verified

Coordinates of rectangle ABCDin vertex matrix is 05504400

Step by step solution

01

- Write Coordinates of rectangle 

From given image, coordinates of the vertices of rectangle are A0,4,B5,4,C5,0,andD0,0

02

- Vertex matrix 

Since, an ordered pair x,yis represented by a column matrix xyand rectangle has 4 ordered pair on vertices so required matrix has 2 rows and 4 columns.

First row represent x-coordinateand second row represents y-coordinateof each vertex.

03

- Required vertex matrix

Write each ordered pair of rectangle as a column of a matrix to get

05504400

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Most popular questions from this chapter

Answer the question that was posed at the beginning of the lesson.

How are matrices used to make decisions?

Include the following in your answer:

  • The circumstances under which each vehicle best fits a person鈥檚 needs, and
  • An example of how matrices are used in newspapers or magazines.

For Exercises 33-35, use the table that shows the total number of deaths due to severe weather.

34. Write a matrix that represents how many more people died as a result of lightning than hurricanes for each year.

Use matrices A, B, Cand Dto find the following.

A=57鈭�163鈭�9,鈥夆赌�B=835144,鈥夆赌�C=04鈭�257鈭�1,鈥夆赌�D=6290鈭�30

4C

State the dimensions of each matrix.

10.6鈭�15鈭�23鈭�4

For Exercises 33-35, use the table that shows the total number of deaths due to severe weather.

35. What type of severe weather accounted for most deaths each year?
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