Order of operations
Solve simple algebra
Simplify
Matrices
100
Simplify the following expression:
62
100
5x=-105
- 21
100
5x - 7x
- 2x
100
This refers to the number of rows and columns in a matrix
What is the order of a matrix?
200
Simplify the following expression:
5
200
p-54 =36
p=90
200
3x - 6 - 7x + 3
- 4x -3
200
A determinant of zero says it must be a __________ matrix
Singular
300
45
300
27 =5x +2
5
300
8x + 4x2 + 1x - 12 + 5x2
9x2 + 9x - 12
300
The number of columns in the first is equal to the number of rows in the second. What are we checking for?
If the two matrices can be multiplied.
400
-2(3 - 7)3
128
400
7x-3 = 9x - 11
x = 4
400
9y + 3 - 4x -2y - 3x - 5
7y - 7x - 2
400
The determinant of a matrix is
___ - ___
ad-bc
500
12
500
x2 + 7 = 16
x=3
500
(1-3x)(2x-3)
-6x2-7x-3
500
Matrices are used to solve ________ equations
Simultaneous