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Basic Matrix Math
Determinants
Inverses
Solving Systems
Miscellaneous
100
To add or subtract two matrices this must be true
What is 'have the same dimension'?
100
A matrix that has a determinant is a...
What is square matrix?
100
A matrix must have this dimensional characteristic in order for an inverse to exist.
What is square?
100
The matrix made up of the coefficients in a system is the _______ matrix
What is coefficient matrix?
100
In "The Matrix", Neo has a girlfriend with this hacker name.
Who is Trinity?
200
To multiply two matrices this must be true
What is 'the number of columns in the first matrix must equal the number of rows in the second matrix?
200
Find the determinant: [2 4 -1 5]
What is 14?
200
How do you find the inverse of a 2 X 2 matrix?
What is find the determinant, then make it 1/det, in the matrix switch the top left and bottom right, change the sign on the other 2 numbers
200
Find the solution to the system using an inverse matrix: 2x-3y=-13 4x+y=-5
What is (-2, 3)
200
In the movie, Neo follows a blonde-haired woman with this tattoo on her shoulder.
What is a white rabbit?
300
Perform the operations indicated: 3[ 2 3 6]-2[-1 3 6]
What is [8 3 6]
300
When finding the determinant of a 3 X 3 matrix we move the...
What is the first two columns to the other side?
300
Find inverse matrix of [1 5 -6 -2]
What is [-1/14 -5/28 3/14 1/28]
300
Find the solution to the system using the inverse matrix: 2x+3y=16 6x-y=-2
What is (0.5, 5)
300
In the movie, this is the color pill Neo ingests in order to prove he is ready to accept the truth about The Matrix.
What is 'the red pill'?
400
Perform the operations indicated: refer to board for problem
Ms. Simon has the answer
400
Find the determinant: [12 -3 2 9]
What is 114?
400
A matrix multiplied by its inverse yields this...
What is the "identity matrix"
400
Use Cramer's Rule to solve the system
What is (1, 2)
400
When does a 2 X 2 matrix not have an inverse?
What is when the determinant is 0?
500
Perform the operations indicated: refer to board for the problem
Ms. Simon has the answer
500
Find the determinant: [2 1 3 6 2 4 -1 0 5]
What is -60?
500
Find the inverse of the matrix [-6 11 3 -6]
What is [-2 -11/3 -1 -2]
500
Solve the system using Cramer's Rule: -2x-4y-5z=11 -x+4z=-25 -3x-5y+z=-25
What is (5, 1, -5)
500
On a map the coordinates for Milan, Venice, and Pisa are as follows: (-4, 5), (3.25, 4.8), and (-1.4, -0.8). Each square unit on the map represents 400 square miles. Find the area of the triangle created by these coordinates.
What is 8, 306 sq. mi?