Unit 1 Test Review M4

Add/Sub Complex

100

(7 + 4i) + (-3 + 2i))

(4 + 6i)

200

(-5 - 9i) + (8 + 5i) 

( 3 - 4i) 

300

(18 - 11i) - (6 + 2i) 

(12 -13i) 

400

 (-5 - 7i) - (-10 +7i) 

( 5 - 14i)

500

(-6 + 3i - 5i + 11) - (-4 + 9i + i)

(9 - 12i) 

Multiply Complex

100

i(6 + 2i)

(-2 + 6i) 

200

i^3(4 + 3i)

(3 - 4i)

300

(7 + 2i)(2 + 4i) 

(6 + 32i)

400

(-5 - 5i)(7 + 3i) 

(-20 - 50i)

500

(2i^2-3i)(-4i^2 + 8i)

(16-28i)

Add/Sub Matrices

100

[[3,2]] + [[-5, 8]]

[[-2, 10]]

200

[[-7,4], [5, 9]] + [[9,11]]

Not Possible, Cannot be added

300

[[-3,11], [6, -3]] + [[12,8],[18,-8]]

[[9,19], [24, -11]]

400

[[7,-5], [-2, 9]] - [[3,8],[-1,8]]

[[4,-13], [-1, 1]] 

500

[[-9,1], [-6, 15],[7,-2]] - [[10,-3],[8,-7],[-14,6]]

[[-19,4],[-14,22],[21,-8]]

Multiply Matrices

100

The Dimensions of Matrix A are 3 x 2

The Dimensions of Matrix B are 2 x 4

Can I multiply Matrix A x Matrix B? 

If so what are the dimensions of the resulting Matrix? 

Yes, 3 x 4

200

[[1,2]] * [[5],[6]]

[17]

300

[[-3,4],[-1,2],[5,-6]] * [[2],[-1]]

[[-10],[-4],[16]]

400

[[-5,6],[-7,3]] * [[3,-4]]

Cannot be multiplied

500

7[[-1,4],[2,-7],[-3,-9]]

[[-7,28],[14,-49],[-21,-63]]

Random

100

How many football teams are in the NFL?

32 Teams

200

What are the names of the four golden girls? 

Blanche, Sophia, Dorothy, Rose

300

How many keys are on a piano?

88 keys

400

What number element is oxygen on the periodic table? 

8

500

Name 10 countries in Africa.

Angola, algeria, Botswana, burundi, burkina faso, chad, comoros, cameroon, kenya, sierra leone.