Unit 3 Flashcardizz Review: Investigating Data

Flashcard
•
Mathematics
•
8th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a scatter plot?
Back
A scatter plot is a graph that shows the relationship between two variables by displaying data points on a two-dimensional axis.
2.
FLASHCARD QUESTION
Front
What does a positive correlation indicate in a scatter plot?
Back
A positive correlation indicates that as one variable increases, the other variable also increases.
3.
FLASHCARD QUESTION
Front
What does the slope of a line in a graph represent?
Back
The slope of a line represents the rate of change of the dependent variable with respect to the independent variable.
4.
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.
5.
FLASHCARD QUESTION
Front
How do you find the average rate of change from a linear equation?
Back
The average rate of change can be found by identifying the slope (m) in the equation y = mx + b.
6.
FLASHCARD QUESTION
Front
What does the y-intercept represent in a linear equation?
Back
The y-intercept represents the value of y when x is 0, indicating where the line crosses the y-axis.
7.
FLASHCARD QUESTION
Front
What is the meaning of the term 'independent variable'?
Back
The independent variable is the variable that is manipulated or changed in an experiment, often represented on the x-axis.
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