Form 7: Interpreting Slope in Scatter Plots
Questions
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MultiChoice
In the trend line equation y = mx + b, what does the slope (m) represent?
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MultiChoice
In line y = 5x + 60 relating study hours (x) to score (y), slope = 5 means:
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MultiChoice
In equation y = 1.5x + 4 for plant height (y) in cm after x days, slope = 1.5 means:
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MultiChoice
Equation y = -1200x + 25000 gives car value (y) after x years. Slope = -1200 means:
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MultiChoice
In line y = -0.5x + 8 for candle height (y) after x hours, slope = -0.5 means:
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MultiChoice
If y increases as x increases on a trend line, what is true about the slope?
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MultiChoice
If y decreases as x increases on a trend line, what is true about the slope?
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MultiChoice
In line y = 0.25x + 30 for taxi fare (y) and miles (x), what does 0.25 represent?
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MultiChoice
For calories burned y = 10x + 50 (x in mins), changing equation to y = 20x + 50 increases slope to 20. This means:
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MultiChoice
Line passes through (2, 20) and (6, 32). What is the slope of this line?
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MultiChoice
Line passes through (1, 10) and (5, 2). What is the slope of this line?
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MultiChoice
How does the steepness of a slope relate to rate of change in context?