Quiz about Matrices 2 x 2 Real World Applications

Question 1

Question 1.

Accepted Answer

E

Answer

A

Answer

B

Answer

C

Answer

D

Question 2

Question 2.

Accepted Answer

B

Answer

A

Answer

C

Answer

D

Answer

E

Question 3

Question 3.

Accepted Answer

E

Answer

A

Answer

B

Answer

C

Answer

D

Question 4

Question 4.

Accepted Answer

B

Answer

A

Answer

C

Answer

D

Answer

E

Question 5

Question 5.

Accepted Answer

A

Answer

B

Answer

C

Answer

D

Answer

E

Question 6

Question 6.

Accepted Answer

C

Answer

A

Answer

B

Answer

D

Answer

E

Question 7

Question 7.

Accepted Answer

E

Answer

A

Answer

B

Answer

C

Answer

D

Question 8

Question 8.

Accepted Answer

A

Answer

B

Answer

C

Answer

D

Answer

E

Question 9

Algebra High cheerleaders are selling sweatshirts for the Football Team. The inventory of sweatshirts as well as sweatshirts sold on A-Days and B-Days are given in the matrices. Which matrix shows the total of sweatshirts sold in each category, color/size, by the cheerleaders?

Accepted Answer

Option C is correct

Answer

A.

Answer

B.

Answer

D.

Question 10

Which matrix shows the inventory of sweatshirts remaining after the A-Day sales?

Accepted Answer

Option D is correct

Answer

A.

Answer

B.

Answer

C.

Question 11

Which matrix shows the inventory of sweatshirts remaining after the B-Day sales?

Accepted Answer

Option B is correct

Answer

A.

Answer

C.

Answer

D.

Question 12

Which matrix shows the inventory of sweatshirts remaining after both A-Day & B-Day sales?

Accepted Answer

Option A is correct

Answer

B.

Answer

C.

Answer

D.

Question 13

The cheerleaders sold out of which of the following sweatshirts? (refer to your answer from Question 12)

Accepted Answer

XL Black

Answer

Sm Gray

Answer

XXL Yellow

Answer

Med Yellow

Answer

They did not sell out of any sweatshirts.

Question 14

How many black sweatshirts were sold in total by both A-Day & B-Day cheerleaders?

Accepted Answer

113

Answer

45

Answer

68

Answer

Can't Be Determined.

Question 15

How many small sweatshirts were sold in total by both A-Day & B-Day cheerleaders?

Accepted Answer

69

Answer

39

Answer

30

Answer

Can't Be Determined.

Question 16

Who sold the most sweatshirts?

Accepted Answer

B-Day

Answer

A-Day

Answer

Can't Be Determined.

Question 17

Of the gray sweatshirts sold, which size had the most sales?

Accepted Answer

Small

Answer

Medium

Answer

Large

Answer

XL

Answer

XXL

Question 18

What does SOLD B-DAY[2, 3] represent?

Accepted Answer

13 L Yellow Sweatshirts Sold

Answer

11 L Yellow Sweatshirt Sold

Answer

10 Med Gray Sweatshirts Sold

Answer

14 Med Gray Sweatshirts Sold

Question 19

find the value of m, n, p and q.

Accepted Answer

m=15, n = -45, p=20, q=-5

Answer

m=8, n=9, p=-4, q=4

Answer

m=20, n=-5, p=15, q=-45

Answer

m=-5, n=20, p=-45, q=15

Question 20

What must be true in order to ADD two matrices?

Accepted Answer

The size must be equal.

Answer

They must be square.

Answer

The determinant can't equal 0.

Answer

The column of the 1st must equal the row of the 2nd.

Question 21

Find the value of x and y if

Accepted Answer

x=3, y=5

Answer

x=2 , y=5

Answer

x=3, y=3

Answer

x=5, y=3

Question 22

What do w, x, y and z equal in this matrix subtraction?

Accepted Answer

w = 13, x = 4, y = 11, z = 23

Answer

w = 13, x = 4, y = 7, z = 23

Answer

w = 13, x = -4, y = 11, z = 23

Answer

w = 13, x = 4, y = 11, z = 17

Question 23

find: B*A

Accepted Answer

47 30 9 5

Answer

17 15
42 35

Answer

10 25 7 1

Answer

not possible because rows do not match columns

Question 24

Find the product.

Accepted Answer

-3 16
17 12
8 -10

Answer

undefined

Answer

3 12
-15 -8
-1 -3

Create a free account and access millions of resources

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Mathematics