Matrix Vocabulary
Matrix Facts
Matrix Rules/Formulas
Matrix Operations
Previous Concepts
100
Any rectangular array of numbers enclosed in a single set of brackets.
What is Matrix
100
When you perform a transformation on one geometric figure to get another geometric figure, the resulting figure is called this
What is Image
100
Matrix Equation
What is A * X = B
100
[2 3 4] + [-2 0 1]
What is [0 3 5]
100
Slope - Intercept Equation
What is y = mx + b
200
Each value in a matrix also called an element.
What is Entry
200
When you perform a transformation of a geometric figure to get another geometric figure, the original figure is called this.
What is Pre-Image
200
Matrix Solution
What is X = A(-1) * B
200
2 * [2 3 -1]
What is [4 6 -2]
200
m = rise/run
What is Slope
300
For a matrix with m horizontal rows and n vertical columns, this is expressed as m x n.
What is Dimensions of a matrix
300
Multiplication of each entry in a matrix by the same real number.
What is Scalar Product
300
A * I
What is A (the matrix itself)
300
[2 3 0] - [4 5]
What is not possible
300
A line with slope zero
What is Horizontal line
400
A matrix that has the same number of rows and columns.
What is Square Matrix
400
If matrix A has dimensions m x n, and matrix B has dimensions n x r, then the product matrix AB has dimension m x r.
What is Matrix Multiplication
400
A * A(-1)
What is I (Identity Matrix)
400
[3 5] * [2 4 6]
What is not possible
400
A line with undefined slope
What is Vertical line
500
A Matrix with all entries 0, except the main diagonal entries that are 1.
What is Identity Matrix
500
A real number associated with a square matrix.
What is Determinant of a Matrix
500
(2x3) * (3x4)
What is 2x4 matrix
500
1/2 * [6 4 -10]
What is [3 2 -5]
500
Two lines with same slope
What are Parallel Lines
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