Determine if the graph shows a system of linear equations that is intersecting, parallel, or the same line.
State how many solutions there are for the system.
Intersecting
One solution
Decide whether the given ordered pair is a solution of the system of equations.
y=2x-1
y=1/3x+4
(3,5)
Yes
Solve the system of equations using the substitution method.
x=y+1
3x+2y=18
(4,3)
Transform the system of linear equations into a system that is ready to be added together to eliminate a variable OR rewrite the system if it already set up for elimination.
3x-y=3
6x+2y=9
6x-2y=6
6x+2y=9
Choose a method to solve the system of linear equations and then solve.
2x+y=6
x-y=6
(4,-2)
Determine if the graph shows a system of linear equations that is intersecting, parallel, or the same line.
State how many solutions there are for the system.
Same line
Infinitely many solutions
Decide whether the given ordered pair is a solution of the system of equations.
y=x-2
4x+y=-2
(0,-2)
Yes
Solve the system of equations using the substitution method.
y=-4x+1
y=2x+13
(-2,9)
Solve each system of equations using the elimination method.
x+3y=17
2x-3y=-20
(-1,6)
Choose a method to solve the system of linear equations and then solve.
x-y=-1
3x+y=13
(3,4)
Determine if the graph shows a system of linear equations that is intersecting, parallel, or the same line.
State how many solutions there are for the system.
Parallel
No solutions
Solve each system of equations by graphing.
y=1/2x-3
y+5=x
(4,-1)
Solve the system of equations using the substitution method.
-3x+y=9
y=2x+6
(-3,0)
Solve each system of equations using the elimination method.
5x+4y=22
2x+4y=16
(2,3)
Choose a method to solve the system of linear equations and then solve.
y=1/3x-5
y=-4/3x
(3,-4)
Determine if the two lines in the system of equations are intersecting, parallel, or the same line.
State how many solutions there will be for the system.
y=2x-4
y=2x+4
Parallel
No solution
Solve each system of equations by graphing.
y+1/3x=0
y=1
(-3,1)
Solve the system of equations using the substitution method.
x+y=3
x+2y=1
(5,-2)
Solve each system of equations using the elimination method.
2x+y=7
4x-3y=-6
(1.5,4)
Choose a method to solve the system of linear equations and then solve.
3x+4y=7
x-8y=0
(2,1/4)
Determine if the two lines in the system of equations are intersecting, parallel, or the same line.
State how many solutions there will be for the system.
y=2x+2
2y=4x+4
Same line
Infinitely many solutions
Sandra and Terry each walk to the same school from different neighborhoods. They do not cross paths until they reach the school building. Sandra follows the path represented by the equation
y=-2x+10
and Terry follows the path represented by the equation
y=-1/6x-1
What are the coordinates of the school building?
(6,-2)
Choose a method to solve the system of linear equations and then solve.
y=1/2x+3
-3x+4y=18
(-6,0)