[2 3 5] + [3 5 8] = ?
What is [5 8 13]
A variable needs to be eliminated to solve the system of equations below. Choose the correct first step.
{(-5x,+5y,=,30),(5x,+6y,=,-19):}
A. Subtract to eliminate x
B. Add to eliminate x
C. Subtract to eliminate y
D. Add to eliminate y
what is
B. Add to eliminate x
A system of linear equations with 3 variables will have this many solutions to find.
what is 3
This refers to the number of rows and columns in a matrix
What is the order of a matrix?
Do the following, and determine the element a22 of result:
What is a22 = 10?
|-25 -30 20|
|-20 10 5 |
Find the solution of the systems of equations using the elimination method
{(9x,+2y,=,-38),(9x,+10y,=,26):}
what is
(-6,8)
Not to be confused with 4-sided polygons, the shape of a matrix is generally ______________
What is rectangular?
[5 4] - [2 -3] = ?
What is [3 7]
Find the solution of the systems of equations using the elimination method
{(-2x,+y,=,0),(10x,+7y,=,48):}
what is
(2,4)
Solve the following system of equations for all three variables
{(x,+3y,+9z,=,4),(-x,+8y,-6z,=,4),(x,+3y,+3z,=,10):}
what is
x=10, y=1, z=-1
A matrix with m rows and n columns
What is a m x n matrix?
When multiplying the following matrices(A & B), what is the output at c21?
What is c21 = -8 + 10 = 2
Find the solution of the systems of equations using the elimination method
{(-x,-2y,=,4),(2x,+8y,=,-28):}
what is
(6,-5)
Solve the following system of equations for all three variables
{(-9x,+6y,+4z,=,-10),(-9x,+5y,+4z,=,-8),(9x,+y,-3z,=,1):}
what is
x=2, y=-2, z=5
This matrix has the same number of rows as columns
What is the square matrix?
Mechanical pencils cost $4.95, pens cost $2.99, and notebooks cost $3.49. Olivier bought 12 mechanical pencils, 8 pens, and 7 notebooks. Paulina bought 6 mechanical pencils, 12 pens, and 9 notebooks. Use matrices to find the total amount Olivier spent.
Find the solution of the systems of equations using the elimination method
{(-x,-8y,=,49),(-x,-2y,=,7):}
what is
(7,-7)
Solve the following system of equations for all three variables
{(-8x,+7y,-8z,=,-9),(-8x,+7y,-10z,=,-7),(x,-2y,+z,=,9):}
what is
x=-4, y=-7, z=-1
Row by column is how we go... the process for which operation... do you know?
What is matrix multiplication?