M=(6-1)/(8-5)=5/3
y=5x/3+b, using (5,1)
1=25/3+b
b=-22/3
y=(5x-22)/3
...
m=(8-3)/(-1--4)=5/3...
y=5x/3+b, using (-1,8)
8=-5/3+b
b=29/3
y=(5x+29)/3
Since they have the same slope and difference y-intercepts they are parallel lines and will never intersect.
Answer:
Step-by-step explanation:
class interval
- 9-19
- 20-29
- 30-39
- 40-49
Frequency
- 5
- 7
- 6
- 2
tally
- IIIII
- IIIII II
- IIIII I
- II
Note: the fifth tally marks crosses the first 4 marks
