SP.A Retest
Flashcard
•
Mathematics
•
8th Grade
•
Hard
+7
Standards-aligned
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the equation of the line of best fit?
Back
The equation of the line of best fit is a linear equation that best represents the data points in a scatter plot. It is used to predict values based on the relationship between two variables.
Tags
CCSS.HSS.ID.C.8
2.
FLASHCARD QUESTION
Front
What does a linear relationship between x and y mean?
Back
A linear relationship means that as one variable (x) changes, the other variable (y) changes at a constant rate. This relationship can be represented by a straight line on a graph.
Tags
CCSS.HSF-LE.A.1B
3.
FLASHCARD QUESTION
Front
How do you calculate earnings based on hours worked?
Back
Earnings can be calculated by multiplying the number of hours worked by the hourly wage. For example, if Joe worked 30 hours and earns $20 per hour, his earnings would be 30 * 20 = $600.
Tags
CCSS.6.SP.B.5C
4.
FLASHCARD QUESTION
Front
What is a scatter plot?
Back
A scatter plot is a graph that shows the relationship between two quantitative variables. Each point on the plot represents an observation.
Tags
CCSS.8.SP.A.1
5.
FLASHCARD QUESTION
Front
What is a trend line?
Back
A trend line is a straight line that best represents the data in a scatter plot. It helps to visualize the relationship between the variables and can be used for predictions.
Tags
CCSS.8.SP.A.2
6.
FLASHCARD QUESTION
Front
How can you use a trend line to make predictions?
Back
You can use a trend line to predict values by finding the corresponding value on the line for a given input. For example, if you know the number of pages in a book, you can use the trend line to predict the number of chapters.
Tags
CCSS.8.SP.A.3
7.
FLASHCARD QUESTION
Front
What is the purpose of the line of best fit?
Back
The purpose of the line of best fit is to minimize the distance between the line and all the data points, providing the best estimate of the relationship between the variables.
Tags
CCSS.8.SP.A.2
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