Quiz about Matrices

Question 1

Mia owns food trucks at two different locations that sell three kinds of tacos. In the first location, she sells, on average, 50 Type 1 tacos, 60 Type 2 tacos, and 45 Type 3 tacos each day. In the second location, she sells, on average, 55 tacos from each type. The matrix below represents Mia's average daily sales of each type of taco at each location. Complete the matrix and find the order of the matrix.

![](http://admin.getprephub.com/media/editor/m1_20220912204013864261.png)

Accepted Answer

Covalent bond

Answer

$$3 	imes 2$$

Answer

$$2 	imes 3$$

Answer

$$4 	imes 5$$

Answer

$$5 	imes 3$$

Question 2

A certain clothing store has three types of shirts, and each comes in two different sizes. The matrix below represents the store's inventory, where rows are shirt types and columns shirt sizes. Which shirt type has the largest total inventory?

![](http://admin.getprephub.com/media/editor/m2_20220912204227338560.png)

Accepted Answer

Covalent bond

Answer

Type 3

Answer

Type 1

Answer

Type 2

Answer

all are same

Question 3

This matrix represents the number of direct train routes between three different cities, where rows are starting points and columns are end points.Find the total no. of trains from City $$3$$ to city $$1$$.

![](http://admin.getprephub.com/media/editor/m3_20220912204319109243.png)

Accepted Answer

Covalent bond

Answer

$$2$$

Answer

$$3$$

Answer

$$1$$

Answer

$$0$$

Question 4

This network diagram represents the different bus routes between three cities. Each node is a city and each directed arrow represents a direct bus route from city to city.

![](http://admin.getprephub.com/media/editor/m4_20220912204404168691.png)

The matrix below represents the number of direct routes between the cities, where rows are starting points and columns are end points. Complete the matrix. Find the element of $$3^{	ext {rd }}$$ row and $$1^{	ext {st }}$$ column of the matrix.

![](http://admin.getprephub.com/media/editor/m41_20220912204418244777.png)

Accepted Answer

Covalent bond

Answer

$$1$$

Answer

$$2$$

Answer

$$3$$

Answer

$$0$$

Question 5

Find the product ![](http://admin.getprephub.com/media/editor/m5_20220912205131502595.png)

Accepted Answer

Covalent bond

Answer

![](http://admin.getprephub.com/media/editor/Screenshot%202022-09-14%20122310_20220914065325090525.png)

Answer

![](http://admin.getprephub.com/media/editor/Screenshot%202022-09-14%20122415_20220914065430171051.png)

Answer

![](http://admin.getprephub.com/media/editor/Screenshot%202022-09-14%20122511_20220914065521408994.png)

Answer

![](http://admin.getprephub.com/media/editor/Screenshot%202022-09-14%20122600_20220914065614177602.png)

Matrices Precalculus Maths Problems and Solutions

Many students find Matrices for Precalculus particularly challenging. Strengthen your concepts and gain confidence for your exams by solving free questions for Matrices from for Precalculus preparation.