What you’ll learn
Find the exact rate of change of the linear function in the table.
Key idea
Rate of change is output change divided by the matching input change.
Worked example
Find the exact rate of change of the linear function in the table.
input/output table
| x | y |
|---|---|
| -2 | -5 |
| 0 | 1 |
| 4 | 13 |
| 6 | 19 |
- 3
Answer: 3
Quick Check
Analyze the proposed student response. Choose Correct or Incorrect.
(-2, -3) and (-1, -4) Student response: -1