Graphs
Tables
Coordinate Points
Equations From Graphs
Scatter Plots + Graphs IRL
100
How do you find the rate of change of a graph?
rise over run (change in y over change in x)
100
How do you find the rate of change of a table?
identify which side is x and y, find change in y, put it over change in x
100
How do you find the rate of change of coordinate points?
100
What is the slope-intercept form for a linear equation? What variable is slope? What variable is y-intercept?
y = mx + b
m = slope
b = y-intercept
100
Draw a scatter plot with positive, linear association
200
Find the slope of this graph!
-2/1 or -2
200
Find the slope in the table!
%2520table.png&f=1&nofb=1)
5/2 or 2.5
200
What is the rate of change between (0,2) and (3, 5)?
3/3 or 1
200
What is the equation of the graph below?
y = 2/3x + 4
200
Draw a scatter plot with no association.
300
Find the slope between x = -3 and x = 0
3/3 or 1
300
Does this table represent a linear function? If so, what is the rate of change (slope)?
Yes, m = 4/1 = 4
300
What is the rate of change between (-5, 3) and (1, 1)?
-2/6 = -1/3
300
What is the equation of the graph below?
y = -3/4 x
300
Han walked from school back to his house. He recorded the data below on his Fitbit. How long was Han walking for? Assume each unit is 5 minutes.
30 minutes (from A to B, from C to D)
400
See Slides for last question!
See Slides for answer!