Equal Values
Substitution
Elimination
Graphing
Solutions?
100
Solve the system:
y=x+3
y=2x
x=3
y=6
(3,6)
100
Solve the system:
y=3
3x+y=15
x=4
y=3
(4,3)
100
Solve the system:
-x+3y=2
x-2y=1
x=7
y=3
(7,3)
100
Use the graph below to solve the system of equations:
x=-2
y=3
(-2,3)
100
Show your work:
Is (2,3) a solution to
y=2x-1
Yes!
3=2(2)-1
200
Solve the system:
y=3x-4
y=x+4
x=4
y=8
(4,8)
200
Solve the system:
y=5x
y-3x=14
x=7
y=35
(7,35)
200
Solve the system:
6y-x=-16
-3y+x=10
x=4
y=-2
(4,-2)
200
Solve the system by graphing:
y=-4/3x+2
y=2/3x-4
x=3
y=-2
(3,-2)
200
Show your work:
Is (0,3) a solution to
y=3x+2
No!
3=3(0)+2
3=2 Not true
300
Solve the system:
y=3x+4
y=-4x-3
x=-1
y=1
(-1,1)
300
x=y-5
x+2y=10
y=5
x=0
(0,5)
300
Solve the system:
4y+5x=-7
4y+3x=-9
x=1
y=-3
(1,-3)
300
Solve by graphing:
y=-2x-4
y=x-1
x=-1
y=-2
300
Show your work:
Is (3,8) a solution to
-6x+2y=-2
Yes!
-6(3)+2(8) = -2
-18+16 = -2
-2 = -2
400
Solve the system:
y=5+6x
y=-4+3x
x=-3
y=-13
(-3,-13)
400
Solve the system:
y=2x-7
2x-2y=6
x=4
y=1
(4,1)
400
Solve the system:
-3x-2y=1
-5x-6y=7
x=1
y=-2
(1,-2)
400
y=-1+4x
-x+y=4
x=-1
y=3
400
Show your work:
Is (1,2) a solution to this system of equations:
y=x+1
y=-2x+4
Yes!
2=1+1
2=2 True!
2=-2(1)+4
2=2 True!