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Apex:true
Slope of line: (y2 -y1)/(x2-x1)
You need two points before you can calculate the slope.
Choose two distinct points from the table and designate their coordinates as x1, y1 and x2, y2. The slope of the line then will equal (y2 - y1)/(x2 - x1).
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Apex:true
Slope of line: (y2 -y1)/(x2-x1)
This is true as long as the slope of the line is constant, if it is a straight line and doesn't curve, then yes it doesn't matter which points are chosen.
Points: (-3, -1) and (3, -2) Slope: -1/6
The slope is calculated as: y1-y2/x1-x2 given two sets of points
You need two points before you can calculate the slope.
False. When solving for the slope of the best fit line, you should consider all data points in your dataset to find the line that best fits the overall trend. Choosing points closest to the line or on the line may bias your results and not accurately represent the relationship between the variables.
Choose two distinct points from the table and designate their coordinates as x1, y1 and x2, y2. The slope of the line then will equal (y2 - y1)/(x2 - x1).
Points: (x, y) and (x, y) Slope: y1-y2/x1-x2