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AR Unit 2: Matrices Review

Authored by Sarah Peach

Mathematics

11th Grade

20 Questions

CCSS covered

Used 4+ times

AR Unit 2: Matrices Review
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1.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Media Image

What do m, n, p and q equal in this scalar matrix multiplication?

m=8, n=9, p=-4, q=4 
m=15, n = -45, p=20, q=-5
m=20, n=-5, p=15, q=-45
m=-5, n=20, p=-45, q=15

Tags

CCSS.HSA.APR.A.1

2.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Media Image

What are the dimensions of this matrix?

2 x 3
3 x 2
6 x 1
1 x 6

3.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

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Find A+B

8     10
8      1 
12     25
7     1
10     30
0     1
can't add two together because the rows dont match columns

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

You can multiply a 2X3 matrix by which matrix?

2X2
2X12
3X12
2X3

5.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Media Image

Multiply

1   2
6   -8
-3   -5
-5   -11
-2     8
-6   -12
2  -3
5   -2

6.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Media Image

Find A-B

-3     1
7     -1
1     0
1     -4
-4       0
6     -1
not possible because rows do not match columns

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Multiply

20     15    -10
30     -5         0
-20      15     -10
30     -5          0
1        8       3
11     4        5
20     -15     10
-30         5        0  

Tags

CCSS.HSA.APR.A.1

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