What is the slope of a linear function?
STAAR Released Questions: Slope & Functions

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Mathematics
•
8th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
The slope of a linear function represents the rate of change of the function. It is calculated as the change in the y-value divided by the change in the x-value (rise/run).
2.
FLASHCARD QUESTION
Front
Define a linear function.
Back
A linear function is a function that graphs to a straight line. It can be expressed in the form y = mx + b, where m is the slope and b is the y-intercept.
3.
FLASHCARD QUESTION
Front
What does the y-intercept represent in a linear function?
Back
The y-intercept is the point where the line crosses the y-axis. It represents the value of y when x is 0.
4.
FLASHCARD QUESTION
Front
How do you determine if a relationship is proportional?
Back
A relationship is proportional if it can be expressed as y = kx, where k is a constant. This means that as x increases, y increases at a constant rate.
5.
FLASHCARD QUESTION
Front
What is the equation of a line with a negative slope?
Back
An equation of a line with a negative slope can be written as y = mx + b, where m is negative. This indicates that as x increases, y decreases.
6.
FLASHCARD QUESTION
Front
Explain the concept of a function.
Back
A function is a relation that assigns exactly one output (y) for each input (x). In other words, for every x-value, there is one corresponding y-value.
7.
FLASHCARD QUESTION
Front
What is a constant rate of change?
Back
A constant rate of change means that the change in y for each unit change in x is the same throughout the function. This is characteristic of linear functions.
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