Define the following terms and give examples:
system of linear equations
Determine whether ordered pair is a solution of the system of linear equations:
x + y = 8
3x + 2y = 21
(2, 4) b. (5, 3)
Solve system of linear equations by graphing:
x + y = 4
x – y = 2
Solve system of linear equations by the substitution method:
y = 3x + 1
4y – 8x = 12
How do you solve a system of two linear equations when using the addition method?
Solve this system of equations by the addition method:
4x + y = 13
2x – y = 5
Write a system of three linear equations in three variables that has (2, 1, 5) as a solution. Explain the process you used to write your system.
List the steps for Problem-Solving.