Linear Functions

Flashcard
•
Mathematics
•
9th Grade
•
Hard
+3
Standards-aligned
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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.HSF.LE.A.2
CCSS.8.F.B.4
2.
FLASHCARD QUESTION
Front
What does the slope of a linear function represent?
Back
The slope of a linear function represents the rate of change of y with respect to x. It indicates how much y increases or decreases for a unit increase in x.
Tags
CCSS.8.EE.B.5
3.
FLASHCARD QUESTION
Front
What is the y-intercept of a function?
Back
The y-intercept is the point where the graph of the function crosses the y-axis. It is represented as (0, b) in the equation y = mx + b.
4.
FLASHCARD QUESTION
Front
How can you determine if a function is linear from a table of values?
Back
A function is linear if the differences between consecutive y-values are constant for equal intervals of x.
Tags
CCSS.HSF-LE.A.1B
5.
FLASHCARD QUESTION
Front
What is the slope of the equation y = 2x + 5?
Back
The slope is 2.
Tags
CCSS.8.EE.B.5
6.
FLASHCARD QUESTION
Front
What is the y-intercept of the equation y = -4x + 1?
Back
The y-intercept is (0, 1).
Tags
CCSS.8.F.A.3
CCSS.8.EE.B.6
7.
FLASHCARD QUESTION
Front
If a function has a slope of -3, what does this indicate about its graph?
Back
A slope of -3 indicates that for every 1 unit increase in x, y decreases by 3 units, resulting in a downward slant.
Tags
CCSS.8.EE.B.5
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