Linear Functions
Flashcard
•
Mathematics
•
8th Grade
•
Practice Problem
•
Easy
+2
Standards-aligned
Wayground Content
Used 4+ times
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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 y with respect to x. It indicates how steep the line is and the direction it goes (positive or negative).
Tags
CCSS.8.EE.B.5
3.
FLASHCARD QUESTION
Front
How do you calculate the slope between two points (x1, y1) and (x2, y2)?
Back
The slope (m) is calculated using the formula m = (y2 - y1) / (x2 - x1).
Tags
CCSS.8.EE.B.5
4.
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. It is represented by the value of b in the equation y = mx + b.
5.
FLASHCARD QUESTION
Front
What is the slope of the line represented by the equation y = 2x + 3?
Back
The slope of the line is 2.
Tags
CCSS.8.EE.B.5
6.
FLASHCARD QUESTION
Front
What is the y-intercept of the line represented by the equation y = -3x + 2?
Back
The y-intercept of the line is (0, 2).
Tags
CCSS.8.EE.B.6
CCSS.8.F.A.3
7.
FLASHCARD QUESTION
Front
If the slope of a line is negative, what does that indicate about the line's direction?
Back
A negative slope indicates that the line descends from left to right.
Tags
CCSS.8.EE.B.5
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