Line/Curve 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, showing the trend of the data points.
2.
FLASHCARD QUESTION
Front
How do you determine the line of best fit for a set of data?
Back
You can determine the line of best fit by using methods such as least squares regression, which minimizes the distance between the data points and the line.
3.
FLASHCARD QUESTION
Front
What is the purpose of a curve of best fit?
Back
A curve of best fit is used to model the relationship between variables when the data points do not follow a linear pattern.
4.
FLASHCARD QUESTION
Front
What does the slope of a line of best fit represent?
Back
The slope of a line of best fit represents the rate of change between the two variables in the scatter plot.
5.
FLASHCARD QUESTION
Front
What is the y-intercept in the context of a line of best fit?
Back
The y-intercept is the point where the line crosses the y-axis, representing the value of y when x is zero.
6.
FLASHCARD QUESTION
Front
What is the equation of a linear line of best fit?
Back
The equation of a linear line of best fit is typically written in the form y = mx + b, where m is the slope and b is the y-intercept.
7.
FLASHCARD QUESTION
Front
What is a quadratic equation in the context of curve fitting?
Back
A quadratic equation is a polynomial equation of the form y = ax² + bx + c, used to model relationships that follow a parabolic trend.
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