What is a linear function?
8th Grade Math Functions Flashcard Q3W2

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Mathematics
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8th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
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.
2.
FLASHCARD QUESTION
Front
How do you determine the slope of a linear function from its equation?
Back
The slope (m) can be determined from the equation in the form y = mx + b. It is the coefficient of x.
3.
FLASHCARD QUESTION
Front
What is the y-intercept of a linear function?
Back
The y-intercept is the point where the line crosses the y-axis, represented by the value of b in the equation y = mx + b.
4.
FLASHCARD QUESTION
Front
How do you graph a linear function?
Back
To graph a linear function, identify the slope and y-intercept, plot the y-intercept on the graph, and use the slope to find another point.
5.
FLASHCARD QUESTION
Front
What does the slope of a line represent?
Back
The slope represents the rate of change of y with respect to x. A positive slope indicates an upward trend, while a negative slope indicates a downward trend.
6.
FLASHCARD QUESTION
Front
What is the slope of the line represented by the equation y = -3x + 5?
Back
The slope is -3.
7.
FLASHCARD QUESTION
Front
What is the y-intercept of the line represented by the equation y = -3x + 5?
Back
The y-intercept is 5.
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