Linear Equations from Data: y = mx + b
Practice writing linear equations in slope-intercept form using data points. Learn to model linear trends from scatter plot data.
Questions
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MultiChoice
In the linear model equation y = mx + b, what does 'm' represent?
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MultiChoice
In the linear equation y = mx + b, what does 'b' represent?
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MultiChoice
A trend line has a slope of 2 and a y-intercept of 5. Which equation models this line?
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MultiChoice
A scatter plot model has the equation y = -1.5x + 10. What is the slope of this line?
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MultiChoice
If a best fit line passes through (0, 3) and (2, 7), what is its slope (m)?
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MultiChoice
A best fit line passes through (0, 12) and (4, 4). What is its equation?
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MultiChoice
What is the y-intercept of the line modeled by y = 4.5x - 7?
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MultiChoice
If the slope of a best fit line is 0, what does the equation look like?
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MultiChoice
Two points on a trend line are (2, 5) and (4, 11). What is the slope?
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MultiChoice
A line of best fit has equation y = 3x + 4. What is the value of y when x = 0?
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MultiChoice
Which linear equation represents a line that decreases by 3 units of y for every 1 unit increase in x, starting at y = 15?
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MultiChoice
A linear model is given as y = 0.8x + 2.5. What is the predicted y-value when x = 10?