Line of best Fit
Flashcard
•
Mathematics
•
8th 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 a line of best fit?
Back
A 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 slope of a line of best fit?
Back
The slope is calculated by taking the change in y (vertical) over the change in x (horizontal) between two points on the line.
Tags
CCSS.8.EE.B.5
3.
FLASHCARD QUESTION
Front
What does a positive slope indicate in a line of best fit?
Back
It indicates that as one variable increases, the other variable also increases.
Tags
CCSS.8.EE.B.5
4.
FLASHCARD QUESTION
Front
What does a negative slope indicate in a line of best fit?
Back
It indicates that as one variable increases, the other variable decreases.
Tags
CCSS.8.EE.B.5
5.
FLASHCARD QUESTION
Front
What does a slope of zero indicate in a line of best fit?
Back
It indicates that there is no change in y as x changes; the line is horizontal.
Tags
CCSS.8.EE.B.5
6.
FLASHCARD QUESTION
Front
What is the y-intercept in the equation of a line?
Back
The y-intercept is the point where the line crosses the y-axis, represented by the value of y when x=0.
7.
FLASHCARD QUESTION
Front
What is the equation of a line in slope-intercept form?
Back
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
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