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Grade 8 McGraw Hill Glencoe - Answer Keys
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Test Practice
Question 18
The table shows the amount of time a delivery truck has been driving and the distance traveled. The total distance traveled is a direct variation of the number of hours. Use the model below to find the slope.
\(\text{slope: }\cfrac{\text{?} - \text{?}}{\text{?} - \text{?}} = \cfrac{\text{?}}{\text{?}}\)
Write an equation in \(\text{y} = \text{m}\text{x}\) form to represent the situation.
Type below:
Question 19
Students in a science class recorded lengths of a stretched spring, as shown in the table. Determine if each statement is true or false.
a . The relationship represents a constant rate of change.
b . The slope of the relationship is 6 grams per centimeter.
c . The equation that represents the relationship is \(\text{y} = \text{x} + 10\).
Spiral Review
Find the slope of each line.
Find the slope of the line that passes through each pair of points.
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