What is the y-intercept?
3.2 FORMATIVE ASSESSMENT: Linear Functions

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Mathematics
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9th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
The y-intercept is the point where a line crosses the y-axis, represented as (0, b) where b is the value of y.
2.
FLASHCARD QUESTION
Front
Is the function represented by the table linear or nonlinear?
Back
A linear function has a constant rate of change and can be represented by a straight line on a graph.
3.
FLASHCARD QUESTION
Front
What is the slope?
Back
The slope of a line measures its steepness and direction, calculated as the change in y over the change in x (rise/run).
4.
FLASHCARD QUESTION
Front
Slope is another word for:
Back
Rate of Change.
5.
FLASHCARD QUESTION
Front
What is the y-intercept?
Back
The y-intercept is the value of y when x is 0, represented as (0, b).
6.
FLASHCARD QUESTION
Front
How do you find the slope from two points (x1, y1) and (x2, y2)?
Back
Slope (m) = (y2 - y1) / (x2 - x1).
7.
FLASHCARD QUESTION
Front
What does a positive slope indicate?
Back
A positive slope indicates that as x increases, y also increases.
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