Rewrite in y=mx+b
Solve the system by graphign
Solve by substitution
Solve by elimination
Is the ordered pair a solution ?
100
y= 2+4x
What is y=4x+2
100
y=x+2 y=-x+2
What is (0,2)
100
y=7 2x +y=17
What is x=5 y=7
100
a - b=8 a +b = 20
What is a=14 b= 6
100
Is the ordered pair (3,-6) a solution to the system? x+3y=15 4x+y =6
What is No!
200
y-5x=12
What is y= 5x+12
200
y=2x-1 y=x+1
What is (2,3)
200
y= x-4 4x+y=26
What is x=6 y=2
200
2x + y= 4 x - y =2
What is x=2 y=0
200
IS the ordered pair (1,1) a solution to the system? 2x-y=-2 4x-y=-6
What is No
300
y-7=2x+9
What is y=2x+16
300
y= 1/2x + 2 y= -x+5
What is (2,3)
300
2x+y=-2 y= x+1
What is x=-1 y=0
300
m+3n=2 -m + 2n= 3
What is m= -1 n=1
300
Is the ordered pair (-2,1) a solution to the system? 6x -3y=-15 2x+y= -3
What is Yes!
400
3y=9x+12
What is y=3x+4
400
x=6 y=4
What is (6,4)
400
x+4y=30 x - 2y=0
What is x= 10 y=5
400
x + 3y=3 x+6y = 3
What is x= 3 y=0
400
Is the ordered pair (5,3) a solution to the system? 3x-2y=11 -x + 6y =7
What is No
500
y-9=3(6+x)
What is y= 3x+27
500
y= -x+3 -2x+y= -6
What is (3,0)
500
x-y=0 7x+y=0
What is (0,0)
500
3x+ 2y= 46 x+ 5y =11
What is x=16 y=-1
500
Is the ordered pair (6,1) a solution to the system? -2x + y =-11 -x -9y = -15
What is Yes
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