Enter Title

Matrices Maybe?

100

What are the dimensions of matrix C?

3 X 2

200

What are the dimensions of matrix B?

2 X 3

300

What element is represented by C_2,1 

0

400

What element is represented by B_1,3

-5

More Matrices

100

If B = G, what is the value of x?

4

200

If B = G, what is the value of y?

15

300

If B = G, what is the value of z?

-8/3 or -2.67

400

Evaluate B + A

not possible

How about Matrices

100

Evaluate  AB

  24        22       -16    

  28        32       -20

200

Evaluate C-F

   8         10

   0         -5

  -6        -14

300

Evaluate CF

not possible

400

Evaluate  4F - 3C

-27       -31 

  0         19

 20        50

Matrices and More

100

State whether the product of the following matrices is undefined.   If defined, give the dimensions.

(2 X 3)*(2 X 3)

undefined or not possible

200

State whether the product of the following matrices is undefined.   If defined, give the dimensions.

(4 X 3)*(3 X 7)

yes, 4 X 7

300

Fill in the missing dimensions:

_________ * (3 X 8) = 4 X 8

4 X 3

400

Fill in the missing dimensions:

(3 X 9) *  _________ = 3 X 5

9 X 5

Matrices squared

100

Triangle ABC has vertices at A(-3,4) B(-5,-8) and C(0,-5)

Find the new coordinates after a translation of 5 units right and 2 units down.

A(2,2)

B(0,-10)

C(5,-7)

200

Triangle ABC has vertices at A(-1,-7) B(-5,8) and C(4,-9)

Find the coordinates after a rotation of 90 degrees.

A(7,-1)

B(-8,-5)

C(9,4)

300

Triangle ABC has vertices at A(-1,2) B(-6,10) and C(-5,0)

Find the new coordinates after a reflection over the x-axis.

A(-1,-2)

B(-6,-10)

C(-5,0)

400

List all of the matrices that are square matrices

A and E