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Find the Determinant
Write the system as a matrix
Solve the linear equation
Random Matrices question
Bonus
100
Find the Determinant for 3 8 4 6
What is -14
100
Convert Linear Equation into Matrices Form 3x-2y=12 12+y=7
What is 3 -2 x 12 = 12 1 y 7
100
3x – 7y = -16 -2x + 4y = 8 Use an inverse matrix to solve the linear system
What is 4,4
100
What is the dimension of this Matrix 2 4 3 5
What is 2x2
100
2 [20 35 10]
What is What is [40 70 20]
200
Find the Determinant for 4 7 1 4
What is 8
200
Convert Linear Equation into Matrices Form x+y=1 5+2=5
What is 1 1 x 1 = 5 2 y 5
200
Use an inverse matrix to solve the linear system. 2x + 3y = -8 x + 2y = -3
What is -7,2
200
What is the answer 1 3 3 3 4
What is 3 9 9 12
200
[5 6 7] + [4 10 90]
What is [9 16 97]
300
Find the det A 1 -4 0 3
What is 3
300
Convert Linear Equation into Matrices Form 6x+y=10 2x+8y=-11
What is 6 1 x 10 = 2 8 y -11
300
Solve for a and c 3.50 2.25 a 50 = 1 1 c 20
What is 4,16
300
Solve this 2 2 1 2 * 3 1 2 3
What is 6 10 5 9
300
Perform the indicated operation. 1 2 1 5 + = -3 1 2 0
What is 2 7 -1 1
400
Find the Determinant of 2 1 -1 3
What is 7
400
10x -5y=20 15x+20y=-8 12x+5y-20z=30 Convert Linear Equation into Matrices Form
What is 10 -5 0 x 20 15 20 0 y = -8 12 5 -20 z 30
400
In one week, a math store sold 14 calculators for a total of $1140. Blue calculators cost $75 each and silver calculators cost $85 each. How many of each type of calculator were sold? Write the system of linear equations
What is 1x=1y=14 75x+85y=1140
400
what is the definition of scalar multiplication?
What is to multiply a real number by each number inside a matrix.
400
Perform the indicated operation -3 2 -5 4 * 1 4 -6 3 0
What is -10 10
500
Find the inverse for 4 7 1 4
What is 4 -7 -1 4
500
Convert Linear Equation into Matrices Form 3y=9 2x+y=4 x+y-z =3
What is 0 3 0 x 9 2 1 0 y = 4 1 1 -1 z 3
500
Use an inverse matrix to solve the linear system. 1x+1y=6 25x+50y=200
What is 4,2
500
[2 6 10]- [1 5 3]
What is [1 1 7]
500
Solve the matrix equation for x and y 2x 0 4 0 = 4 -4y 4 -4y
What is x=2 y=5