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What is the slope of the line through the given points?
The following summarizes what you have learned about slope.
A line with positive slope slants upward from left to right.
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A line with negative slope slants downward from left to right.
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A line with a slope of 0 is horizontal.
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A line with an undefined slope is vertical.
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Is the rate of change in cost constant with respect to the number of pencils bought? Explain.
Number of Pencils | 1 | 4 | 7 | 12 |
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Cost ($) | 0.25 | 1 | 1.75 | 3 |
What is the slope of the line?
Error Analysis A student calculated the slope of the line below to be 2. Explain the mistake. What is the correct slope?