Content: Identify the rate of change (ROC) and the initial value (IV), write a corresponding linear equation in slope-intercept form, and answer related questions using a table of values for some real-llfe linear examples.
2
1
0
5
2
1
0
5
Y = -1x + 2
Y = -2x + 1
Y = 1x + 2
Y = 2x + 1
13
11
9
7
2
3
4
5
Rate of change
Initial value
X-intercept
Slope
Positive
Negative
Doesn't matter
The size of his hard drive
Y = 500x + 75
Y = 75x + 500
Y = -75x + 500
Y = -500x -75
350
275
200
125
1
2
3
4