7.PFA.1.a

Determine the slope, 𝑚, as the rate of change in a proportional relationship between two quantities given a table of values, graph, or contextual situation and write an equation in the form 𝑦 = 𝑚𝑥 to represent the direct variation relationship. Slope may include positive or negative values (slope will be limited to positive values in a contextual situation).

Example Problems
What is the slope of the line that contains the points in the table?
xy
-32
-24
-16
08
A hiker climbs in .
How many meters does the hiker climb per hour?
A carpenter uses 180 nails to assemble 15 frames.
How many nails are used per frame?
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