STAAR Review 9 - Trend Lines & Linear vs. Non Linear

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•
Mathematics
•
7th - 8th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a positive association in a graph?
Back
A positive association in a graph indicates that as one variable increases, the other variable also increases.
2.
FLASHCARD QUESTION
Front
What is a negative association in a graph?
Back
A negative association in a graph indicates that as one variable increases, the other variable decreases.
3.
FLASHCARD QUESTION
Front
What does it mean if a graph is linear?
Back
A linear graph represents a constant rate of change, where the relationship between the variables can be expressed with a straight line.
4.
FLASHCARD QUESTION
Front
What does it mean if a graph is non-linear?
Back
A non-linear graph represents a variable rate of change, where the relationship between the variables cannot be expressed with a straight line.
5.
FLASHCARD QUESTION
Front
How do you determine the slope of a line in a graph?
Back
The slope of a line is determined by the rise over run, which is the change in the y-values divided by the change in the x-values.
6.
FLASHCARD QUESTION
Front
What is the equation of a linear function?
Back
The equation of a linear function can be expressed in the form y = mx + b, where m is the slope and b is the y-intercept.
7.
FLASHCARD QUESTION
Front
What is the significance of the y-intercept in a linear graph?
Back
The y-intercept is the point where the line crosses the y-axis, representing the value of y when x is zero.
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