Name Emma Bravo
Date 12-9-24 Period 3
1)
Interpreting Slope-Intercept Graphs
Equation: y=-
Pencils in Pencil Jan
15
m -1
14
Directions: Write the equation of each line in slope-intercept form. Then explain what
13
the slope and y-intercept represent for each graph.
12
What does the slope represent?
11
y=mx+ b
For every a days there 's Permitt
a
10
b - 12
I less pencil
9
8
7
What does the y-intercept represent?
6
Slope, m =
AVE
Ax
y-intercept = (0,b)
y=mxtb
2 days
5
4
How many pencils are left after 2 weeks?
3
5 pencils
2
1
Example:
Equation: y=lx
Toys in Cereal Boxes
012345678910 11 12 13141
15
m = t=1
Time (days)
14
13
What does the slope represent?
12
2)
11
1
Equation: y=ax =
Rainfall
tow for every cereal bax
15
10
1/2
14
b = &
9
m
13
8
What does the slope represent?
12
7
What does the y-intercept represent?
11
6
,
no cereal box =no boys
5
I inch of rain every 2
10
I
4
g
b = t
hours
9
3
8
How many toys would you have if you bought
3 boxes of cereal?
2
7
I
What does the y-intercept represent?
1
6
3 toys
I
no hours =no inches of rain
5
012345678910 11 12 13 14 15
4
Number of Cereal Boxes
How many inches of rain is there
3
after 6 hours?
2
3 inches
1
012345678910 11 12 13 14 15
If it rained for 24 hours at this constant
rate, how many inches of rain would there be?
Time (hours)
12 inches
