Graphing
If a graph has one solution the lines will __________
What is cross? or What is intersect?
In the first step of elimination you want to choose which ________ to eliminate.
What is variable?
In the first step of substitution you need a variable to be _______ on one side.
What is alone?
How many solutions will these equations have?
Y = X + 6
Y = X - 2
What is No Solution?
Is this a solution to the system of equations? (5, -1)
X + Y = 4
X - Y = 6
What is yes?
What is no?
To eliminate a variable you want it to have the same ________ in both equations.
What is Coefficient?
Substitute mean to _________.
How many solutions will these equations have?
Y = 2X - 3
Y = 4/2 X - 3
What is Infinite Solutions?
Is this a solution to the system of equations? (-2,2)
2X + Y = -2
-3X - Y = 4
What is yes
When a system of equations has infinitely many solution the lines are the _______.
What is the same?
When the sign on the coefficient of a variable in each equation is opposite you must _____ them in order to eliminate it.
Once you solve for one variable you need to _____ ____ _____ _____ to solve for the other variable.
What is plug it back in?
How many solutions will these equations have?
Y = -3x + 12
5x - Y = 28
What is One Solution?
Is this a solution to the system of equations? (-2,-2)
X = 3Y + 4
2X + Y = - 6
What is yes?
This is how you write a coordinate.
What is (x,y)?
When the sign on the coefficient of a variable in each equation is the same you must _____ them in order to eliminate it
What is Subtract?
Solve using substitution
Y = 2x
3X + 4Y = -121
What is ( -11, -22)
How many solutions will these equations have?
-6x - y = 5
y = - 6x + 8
What is no solution?
Is this a solution to the system of equations? ( 6, 4)
y = -X + 3
3X + Y = 15
What is no?
Where the lines of a system of equations cross on a graph is called the ___________.
What is a Solution Point?
Solve this System using elimination
3x - y = 11
5x + y = 13
What is (3, -2) ?
Solve using Substitution
3y = 2x + 6
y = -2x + 10
What is (3, 4)
How many solutions will these equations have?
Y = 3/2 x + 1
Y = 15/10 x + 1
What is infinite solutions?
Is this a solution to the system of equations? (-24,-4)
- x + 5y = 4
3x- 20y = 8
What is yes?