What is an initial value in a function?
2.2.2 Interpret and Compare Functions

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Mathematics
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8th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
The initial value is the starting point of a function, often represented as the y-intercept in a linear function.
2.
FLASHCARD QUESTION
Front
How do you determine the rate of change in a linear function?
Back
The rate of change is determined by the slope of the line, which is calculated as the change in y divided by the change in x.
3.
FLASHCARD QUESTION
Front
What does a constant slope indicate about a function?
Back
A constant slope indicates that the function is linear, meaning it has a consistent rate of change.
4.
FLASHCARD QUESTION
Front
If a function has a slope of 2, what does this mean?
Back
It means that for every 1 unit increase in x, the value of y increases by 2 units.
5.
FLASHCARD QUESTION
Front
What is the formula for calculating the slope between two points (x1, y1) and (x2, y2)?
Back
The slope (m) is calculated using the formula m = (y2 - y1) / (x2 - x1).
6.
FLASHCARD QUESTION
Front
In the context of a phone payment plan, what does the rate of change represent?
Back
The rate of change represents the amount paid per month, which is a constant value in this case.
7.
FLASHCARD QUESTION
Front
What is the significance of the y-intercept in a linear function?
Back
The y-intercept is the point where the line crosses the y-axis, representing the initial value of the function.
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