Lines and Curves of Best Fit

Flashcard
•
Mathematics
•
9th - 12th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a line of best fit?
Back
A line of best fit is a straight line that best represents the data on a scatter plot. It shows the general direction of the data points.
2.
FLASHCARD QUESTION
Front
What type of function is represented by a straight line?
Back
A linear function.
3.
FLASHCARD QUESTION
Front
How do you determine the slope of a line of best fit?
Back
The slope is calculated by taking the change in y (rise) over the change in x (run) between two points on the line.
4.
FLASHCARD QUESTION
Front
What does a positive slope indicate in a line of best fit?
Back
A positive slope indicates that as the x-values increase, the y-values also increase.
5.
FLASHCARD QUESTION
Front
What does a negative slope indicate in a line of best fit?
Back
A negative slope indicates that as the x-values increase, the y-values decrease.
6.
FLASHCARD QUESTION
Front
What is the purpose of using a curve of best fit?
Back
A curve of best fit is used to model relationships in data that are not linear, allowing for predictions based on the trend.
7.
FLASHCARD QUESTION
Front
What is linear regression?
Back
Linear regression is a statistical method used to find the line of best fit for a set of data points.
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