Slope from a table with negative slopes
Pick two columns of the table. Slope = change in y ÷ change in x.
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The table shows a linear relationship: x = −4, −3, −2 and y = 9, 12, 15. What is the slope?
Answer: 3
The table shows a linear relationship: x = 0, 1, 2 and y = 7, 3, −1. What is the slope?
Answer: -4
The table shows a linear relationship: x = 5, 6, 7 and y = 3, 1, −1. What is the slope?
Answer: -2
Tip: Pick two columns of the table. Slope = change in y ÷ change in x.
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