Chapter 3 Flex Club
Flashcard
•
Mathematics
•
8th Grade
•
Practice Problem
•
Hard
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1.
FLASHCARD QUESTION
Front
Is this a function?
Back
A function is a relation where each input has exactly one output.
2.
FLASHCARD QUESTION
Front
Find the slope of the line passing through (12,8) and (9,7).
Back
The slope (m) is calculated as (y2 - y1) / (x2 - x1). For points (12,8) and (9,7), m = (7 - 8) / (9 - 12) = -1 / -3 = 1/3.
3.
FLASHCARD QUESTION
Front
What is the initial value?
Back
The initial value in a linear function is the y-intercept, which is the point where the line crosses the y-axis.
4.
FLASHCARD QUESTION
Front
Is this linear?
Back
A linear function is a function that graphs to a straight line. It can be represented in the form y = mx + b.
5.
FLASHCARD QUESTION
Front
A constant interval has_________.
Back
A constant interval has a slope of zero, meaning the line is horizontal.
6.
FLASHCARD QUESTION
Front
What is the definition of slope?
Back
Slope is a measure of the steepness of a line, calculated as the change in y over the change in x.
7.
FLASHCARD QUESTION
Front
How do you find the y-intercept of a linear equation?
Back
To find the y-intercept, set x = 0 in the equation and solve for y.
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