WIN TIME: Functions Recap Flashcard
Flashcard
•
Mathematics
•
8th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the rate of change in a function?
Back
The rate of change in a function describes how much the output (y-value) changes for a given change in the input (x-value). It is often represented as the slope of the line in linear functions.
2.
FLASHCARD QUESTION
Front
What is a linear function?
Back
A linear function is a function that can be graphically represented as a straight line. It has a constant rate of change and 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 is a y-intercept?
Back
The y-intercept is the point where a graph crosses the y-axis. It is the value of y when x is 0.
4.
FLASHCARD QUESTION
Front
What is a function?
Back
A function is a relation that assigns exactly one output (y) for each input (x).
5.
FLASHCARD QUESTION
Front
How do you determine if a function is linear or nonlinear from a table of values?
Back
If the differences between consecutive y-values are constant for equal changes in x-values, the function is linear. If the differences vary, it is nonlinear.
6.
FLASHCARD QUESTION
Front
Write the equation for a function that represents a monthly salary of $1,000 plus $150 for each item sold.
Back
y = 1000 + 150x
7.
FLASHCARD QUESTION
Front
What does the slope of a linear function represent?
Back
The slope of a linear function represents the rate of change of the function, indicating how much y changes for a unit change in x.
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