Line of Best Fit
Flashcard
•
Mathematics
•
8th Grade
•
Practice Problem
•
Hard
+8
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 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 if a line is an accurate line of best fit?
Back
A line is an accurate line of best fit if it minimizes the distance between itself and all the data points, ideally passing through the center of the data distribution.
3.
FLASHCARD QUESTION
Front
What does the slope of a line represent in a line of best fit?
Back
The slope of a line represents the rate of change between the variables; it indicates how much one variable changes for a unit change in another variable.
Tags
CCSS.8.EE.B.5
4.
FLASHCARD QUESTION
Front
What is the formula for the slope of a line?
Back
The formula for the slope (m) is m = (y2 - y1) / (x2 - x1), where (x1, y1) and (x2, y2) are two points on the line.
Tags
CCSS.8.EE.B.5
5.
FLASHCARD QUESTION
Front
What does a negative slope indicate?
Back
A negative slope indicates that as one variable increases, the other variable decreases.
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
How can you write the equation of a line in slope-intercept form?
Back
The equation of a line in slope-intercept form is written as 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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