Random
Graphing
Substitution
Elimination
Inequalities
100
To solve a system of equations by graphing, what form must the equations be in?
Slope-intercept
100
Solve Using Graphing:
y = -3
y = 5/3x + 2
100
What are 3 methods of solving systems of equations?
elimination
graphing
substitution
100
The method of solving equations where you add or subtract equations to end up with one variable.
elimination
100
when graphing linear inequalities what type of line does < and > use?
Dotted Line
200
What is the first step when solving a system of equations by substitution?
solve for x or y
200
Solve the systems of linear equations by graphing:
200
Solve the systems of equations using substitution
x=-3
x - 3y=-15
(-3,4)
200
Use ELIMINATION to solve each system of equations.
-3x + 2y = 23
-5x - 2y = 17
(-5, 4)
200
What type of line does ≤ and ≥ get when graphing linear inequalities
solid line
300
What is the first step when solving systems of equations by elimination?
Equations must be lined up the same. In the same order.
300
What is the solution?
(-1,1)
300
Solve the systems of equations using substitution:
y = 6x
2x + 3y=-20
(-1,-6)
300
Use ELIMINATION to solve each system of equations.
-4x + 7y =-13
4x - 7y =3
no solution
300
How is graphing systems of inequalities different than graphing systems of equations?
they use dotted lines sometimes and you have to shade to find the solution
400
What is the last step when solving by any of the 3 methods.
Substitution
400
How many solutions are there?
No Solutions
400
Solve the systems of equations using substitution:
x=4y
x+2y=12
(8,2)
400
Use ELIMINATION to solve each system of equations.
8x+ 12y = 20
-8x - 12y = -20
infinite solutions
400
Systems of inequalities can only be solved by ______
graphing
500
When using the substitution method, what would be the first step when solving for x in the first equation?
5x +5y = 10
8x + 4y = 0
Subtract the 5y
500
How many solutions are there?
Infinitely Many Solutions
500
Use substitution to solve the following system of equations.
y = -2x + 3
8x + 4y =12
infinitely many solutions
500
Use ELIMINATION to solve each system of equations.
x + y = 4
2x - 5y = 15
(5,-1)
500
Solve the system:
y ≤ x − 2
y > −3x + 5
