Line of Best Fit
Flashcard
•
Mathematics
•
9th Grade
•
Practice Problem
•
Hard
+4
Standards-aligned
Wayground Content
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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, showing the trend of the data points.
Tags
CCSS.8.EE.B.5
2.
FLASHCARD QUESTION
Front
How do you determine the predicted value using the line of best fit?
Back
To determine the predicted value, substitute the given x-value into the equation of the line of best fit.
Tags
CCSS.HSF.IF.A.2
3.
FLASHCARD QUESTION
Front
What does a positive slope in a line of best fit indicate?
Back
A positive slope indicates that as the x-value increases, the y-value also increases.
Tags
CCSS.8.EE.B.5
4.
FLASHCARD QUESTION
Front
What does a negative slope in a line of best fit indicate?
Back
A negative slope indicates that as the x-value increases, the y-value decreases.
Tags
CCSS.8.EE.B.5
5.
FLASHCARD QUESTION
Front
What is the formula for the line of best fit in slope-intercept form?
Back
The formula 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
6.
FLASHCARD QUESTION
Front
What is the significance of the y-intercept in the line of best fit?
Back
The y-intercept is the value of y when x is 0, representing the starting point of the relationship.
Tags
CCSS.HSF.LE.B.5
7.
FLASHCARD QUESTION
Front
How can you visually assess the accuracy of a line of best fit?
Back
You can assess accuracy by checking how closely the data points cluster around the line.
Tags
CCSS.8.EE.B.5
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