Describing Functions

Flashcard
•
Mathematics
•
8th Grade
•
Hard
+7
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a function?
Back
A function is a relation that assigns exactly one output value for each input value.
Tags
CCSS.8.F.A.1
2.
FLASHCARD QUESTION
Front
What does it mean for a function to be linear?
Back
A linear function is a function that graphs to a straight line and 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
3.
FLASHCARD QUESTION
Front
What is a nonlinear function?
Back
A nonlinear function is a function that does not graph to a straight line and can include curves, parabolas, and other shapes.
Tags
CCSS.8.F.A.3
4.
FLASHCARD QUESTION
Front
What is the output of the function y = 4 - x when x = 1?
Back
The output is 3.
Tags
CCSS.8.F.A.1
CCSS.HSF.IF.A.1
5.
FLASHCARD QUESTION
Front
How do you determine if a graph is proportional?
Back
A graph is proportional if it passes through the origin (0,0) and has a constant ratio between the input and output values.
Tags
CCSS.7.RP.A.2D
6.
FLASHCARD QUESTION
Front
What is the slope of the line represented by the equation y = 2x + 3?
Back
The slope is 2.
Tags
CCSS.8.EE.B.5
7.
FLASHCARD QUESTION
Front
What is the y-intercept in the equation y = -x + 5?
Back
The y-intercept is 5.
Tags
CCSS.8.EE.B.6
CCSS.8.F.A.3
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