Scatterplots
Flashcard
•
Mathematics
•
8th Grade
•
Hard
+3
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a scatterplot?
Back
A scatterplot is a graphical representation of two variables, showing the relationship between them using points on a Cartesian plane.
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 in the data, indicating the general direction of the relationship between the two variables.
Tags
CCSS.8.SP.A.2
3.
FLASHCARD QUESTION
Front
How do you calculate the slope of a line in a scatterplot?
Back
The slope is calculated by taking the change in the y-values divided by the change in the x-values (rise over run).
Tags
CCSS.8.EE.B.5
4.
FLASHCARD QUESTION
Front
What does a positive slope indicate in a scatterplot?
Back
A positive slope indicates that as one variable increases, the other variable also increases.
Tags
CCSS.8.EE.B.5
5.
FLASHCARD QUESTION
Front
What does a negative slope indicate in a scatterplot?
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 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 the significance of the y-intercept in a scatterplot?
Back
The y-intercept is the value of y when x is zero, representing the starting point of the relationship.
Tags
CCSS.HSF.LE.B.5
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