use linear models to make predictions
Flashcard
•
Mathematics
•
8th Grade
•
Practice Problem
•
Hard
+3
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a linear model?
Back
A linear model is a mathematical representation of the relationship between two variables that can be expressed as a straight line on a graph.
2.
FLASHCARD QUESTION
Front
What does the slope of a line represent in a linear model?
Back
The slope represents the rate of change between the two variables; it indicates how much one variable changes for a unit change in the other variable.
Tags
CCSS.8.EE.B.5
3.
FLASHCARD QUESTION
Front
How do you find the slope using two points (x1, y1) and (x2, y2)?
Back
The slope (m) is calculated using the formula m = (y2 - y1) / (x2 - x1).
Tags
CCSS.8.EE.B.5
4.
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, used to make predictions.
Tags
CCSS.8.SP.A.2
5.
FLASHCARD QUESTION
Front
How can you use a trend line to make predictions?
Back
You can use the trend line to estimate the value of one variable based on the value of another variable.
Tags
CCSS.HSF-LE.A.1B
6.
FLASHCARD QUESTION
Front
What is a scatter plot?
Back
A scatter plot is a graph that shows the relationship between two quantitative variables, with points representing individual data points.
Tags
CCSS.8.SP.A.1
7.
FLASHCARD QUESTION
Front
What does it mean if a scatter plot shows a linear relationship?
Back
It means that the data points can be approximated by a straight line, indicating a consistent relationship between the two variables.
Tags
CCSS.8.F.A.3
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