Linear Functions
Flashcard
•
Mathematics
•
8th Grade
•
Practice Problem
•
Hard
+4
Standards-aligned
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a linear function?
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.
Tags
CCSS.8.F.B.4
CCSS.HSF.LE.A.2
2.
FLASHCARD QUESTION
Front
What does the slope of a line represent?
Back
The slope of a line represents the rate of change of the y-value with respect to the x-value. It indicates how steep the line is.
Tags
CCSS.8.EE.B.5
3.
FLASHCARD QUESTION
Front
What is the y-intercept in a linear function?
Back
The y-intercept is the point where the line crosses the y-axis. In the equation y = mx + b, b represents the y-intercept.
4.
FLASHCARD QUESTION
Front
How can you determine if a relation is a function?
Back
A relation is a function if each input (x-value) has exactly one output (y-value). If any x-value is repeated with different y-values, it is not a function.
Tags
CCSS.8.F.A.1
5.
FLASHCARD QUESTION
Front
What does a positive slope indicate about a linear function?
Back
A positive slope indicates that as the x-value increases, the y-value also increases, resulting in an upward slant of the line.
Tags
CCSS.8.EE.B.5
6.
FLASHCARD QUESTION
Front
What does a negative slope indicate about a linear function?
Back
A negative slope indicates that as the x-value increases, the y-value decreases, resulting in a downward slant of the line.
Tags
CCSS.8.EE.B.5
7.
FLASHCARD QUESTION
Front
What is the difference between a function and a non-function?
Back
A function has a unique output for each input, while a non-function has at least one input that corresponds to multiple outputs.
Tags
CCSS.8.F.A.1
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