What are the three practiced methods used for solving systems of equations?
"the Graphing Method, the Substitution Method, and the Elimination Method"
Solve this system graphically:
y = 2x
y = 3x - 3
(3,6)
Solve this system using Substitution:
y = x + 1
x + y = 9
(4,5)
Solve this system using Elimination:
x + 3y = 13
x + y = 5
(1,4)
The answer of a systems of linear equations.
the solution
Is the ordered pair (- 2, 8) a solution of
8x + 2y = 0
x - 2y = -18
YES
What is the solution of this systems of equations?
(2,2)
Solve this system using Substitution:
a = 3b + 1
5b - 2a = 1
(-8, -3)
What is the solution to this system?
5a + b = 13
4a - 3b = 18
(3,-2)
The two lines have the same slope and different y-intercept. The number of solutions for this type of systems of equations is:
none
In what method would you replace a variable with something of equal value?
Substitution
Solve this system graphically:
y = 2x + 2
y = -x + 5
(1,4)
The solution of the following system of equations:
y=-3
y=6x+3
(-1,-3)
The solution of the following system of equations using elimination.
3x-6y=3
4x+6y=32
(5,2)
The format used to write a solution of a system of linear equations.
an ordered pair
(x,y)
Which method is the most efficient method to solve this system of linear equations?
y=-2x+3
y=4
"the Substitution Method"
Solve this system graphically:
x + y = -7
x - y = 1
(-3, -4)
Solve the following system of equations using substitution.
y=x+6
x+2y=6
(-2, 4)
The solution of the following system of equations using elimination:
-5x - 5y = -15
x + 8y = -4
(4,-1)
The lines have the same slope and same y-intercept. What is the number of solutions for this type of system of equations?
infinitely many
Is the ordered pair (-1,2) a solution of x-y=-3 and 2x+y=0?
YES
What is the solution to this system of equations?
NO SOLUTION
The solution of the following system of equations:
y=-3x
-3x+3y=0
What is "(0,0)"?
The solution of the following system of equations:
2x+8y=-22
x+5y=-12
(-7, -1)
A one word expression to describe a system of equations that has no solution, but is not the word parallel.
Inconsistent