WARM-UP: 3.5 Scatterplots and Line of Best Fit
Flashcard
•
Mathematics
•
9th Grade
•
Practice Problem
•
Hard
+7
Standards-aligned
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a scatterplot?
Back
A scatterplot is a graph that shows the relationship between two variables by displaying data points on a two-dimensional axis.
Tags
CCSS.8.SP.A.1
2.
FLASHCARD QUESTION
Front
What does the line of best fit represent in a scatterplot?
Back
The line of best fit represents the trend of the data points in a scatterplot, indicating the general direction of the relationship between the variables.
Tags
CCSS.8.SP.A.2
3.
FLASHCARD QUESTION
Front
How do you determine the slope of a line?
Back
The slope of a line is determined by the change in the y-value divided by the change in the x-value (rise over run).
Tags
CCSS.8.EE.B.5
4.
FLASHCARD QUESTION
Front
What is the y-intercept in a linear equation?
Back
The y-intercept is the point where the line crosses the y-axis, representing the value of y when x is zero.
5.
FLASHCARD QUESTION
Front
What does a positive slope indicate about the relationship between two variables?
Back
A positive slope indicates that as one variable increases, the other variable also increases.
Tags
CCSS.8.EE.B.5
6.
FLASHCARD QUESTION
Front
What does a negative slope indicate about the relationship between two variables?
Back
A negative slope indicates that as one variable increases, the other variable decreases.
Tags
CCSS.8.EE.B.5
7.
FLASHCARD QUESTION
Front
What is the purpose of using a line of best fit?
Back
The purpose of using a line of best fit is to make predictions about one variable based on the value of another variable.
Tags
CCSS.8.EE.B.5
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