One Step
Two Step
Multi Step
Proportional
Slope
100
X+6=12
X=6
100
2n-4=16
n=10
100
2c+4=4c
c=2
100
What two things are needed to make a graph proportional?
1. A straight line
2. Goes through the origin
100
What is the slope intercept equation?
y=mx+b
200
8x=72
x=9
200
x/13+3=26
x= 299
200
3(m+4)=8
m= -1.33
200
Is this proportional? If not, why?
Not proportional - Not a straight line
200
How do we find slope using two points?
m= y2-y1/x2-x1
300
x/12=144
x= 1,728
300
8m+(-2)=48
m= 6.25
300
14(v-5)=7
v= 5.5
300
Is this proportional? If not, why?
No - It doesn't go through the origin
300
Find the slope of (16, -2) and (3, 24):
m= 26/ -13
400
7n=72
n= 10.29
400
x/99-(-23)=1
x= 2,376
400
17(2-m)=3
m= 1.82
400
Find the unit rate: Is this proportional?
Unit rate:4 and yes
400
Find the slope:
y= 2/4x-2
500
z/32=9
z= 288
500
26z+(-25)=50
z= 2.88
500
-8(3w-(-2))=6w
w= -0.53
500
What is the unit rate? Is this proportional?
It is not proportional.
500
Find the slope:
y= 2/1x+3