Line of Best Fit
Flashcard
•
Mathematics
•
9th Grade
•
Hard
+5
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the line of best fit?
Back
The line of best fit is a straight line that best represents the data on a scatter plot. It shows the trend of the data points.
Tags
CCSS.8.EE.B.5
2.
FLASHCARD QUESTION
Front
How do you find the line of best fit using a graph?
Back
To find the line of best fit, plot the data points on a graph and draw a line that best represents the trend of the points, minimizing the distance from all points to the line.
3.
FLASHCARD QUESTION
Front
What does the slope of the line of best fit represent?
Back
The slope of the line of best fit represents the rate of change between the two variables in the data set.
Tags
CCSS.8.EE.B.5
4.
FLASHCARD QUESTION
Front
What does the y-intercept of the line of best fit indicate?
Back
The y-intercept indicates the value of the dependent variable when the independent variable is zero.
Tags
CCSS.HSF.LE.B.5
5.
FLASHCARD QUESTION
Front
How can you use the line of best fit to make predictions?
Back
You can use the line of best fit to predict the value of the dependent variable for a given value of the independent variable by substituting the value into the equation of the line.
6.
FLASHCARD QUESTION
Front
What is the equation of a line in slope-intercept form?
Back
The equation of a line in slope-intercept form is y = mx + b, where m is the slope and b is the y-intercept.
Tags
CCSS.8.EE.B.6
CCSS.8.F.A.3
7.
FLASHCARD QUESTION
Front
What is a scatter plot?
Back
A scatter plot is a graph that displays values for two variables using dots to represent the data points.
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