Integrated: Unit 3 Test Review: Slope & Functions
Flashcard
•
Mathematics
•
7th - 8th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the slope of a line?
Back
The slope of a line is a measure of its steepness, usually represented as 'm'. It is calculated as the change in y (rise) over the change in x (run).
2.
FLASHCARD QUESTION
Front
How do you find the slope between two points (x1, y1) and (x2, y2)?
Back
The slope (m) is calculated using the formula: m = (y2 - y1) / (x2 - x1).
3.
FLASHCARD QUESTION
Front
What does a negative slope indicate about a line?
Back
A negative slope indicates that as the x-values increase, the y-values decrease, meaning the line falls from left to right.
4.
FLASHCARD QUESTION
Front
What is the y-intercept of a line?
Back
The y-intercept is the point where the line crosses the y-axis, represented as (0, b) in the equation y = mx + b.
5.
FLASHCARD QUESTION
Front
What does the term 'rate of change' refer to in a linear function?
Back
The rate of change refers to how much the output (y) changes for a given change in the input (x), which is represented by the slope.
6.
FLASHCARD QUESTION
Front
What is a function?
Back
A function is a relation where each input (x) has exactly one output (y).
7.
FLASHCARD QUESTION
Front
How can you determine if a graph represents a function?
Back
You can use the vertical line test: if a vertical line intersects the graph at more than one point, it is not a function.
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