Math 8 Functions Test Review
Flashcard
•
Mathematics
•
8th Grade
•
Practice Problem
•
Hard
Standards-aligned
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the slope-intercept form of a linear equation?
Back
The slope-intercept form is given by the equation y = mx + b, where m is the slope and b is the y-intercept.
Tags
CCSS.8.EE.B.6
CCSS.8.F.A.3
2.
FLASHCARD QUESTION
Front
How do you find the slope from a table of values?
Back
The slope (m) can be calculated by taking the difference in y-values divided by the difference in x-values between two points: m = (y2 - y1) / (x2 - x1).
Tags
CCSS.8.EE.B.5
3.
FLASHCARD QUESTION
Front
What does the y-intercept represent in a linear equation?
Back
The y-intercept is the point where the line crosses the y-axis, represented by the value of b in the slope-intercept form y = mx + b.
Tags
CCSS.8.EE.B.6
CCSS.8.F.A.3
4.
FLASHCARD QUESTION
Front
What does a positive slope indicate about a linear function?
Back
A positive slope indicates that as the x-values increase, the y-values also increase, meaning the function is increasing.
Tags
CCSS.8.EE.B.5
5.
FLASHCARD QUESTION
Front
What does a negative slope indicate about a linear function?
Back
A negative slope indicates that as the x-values increase, the y-values decrease, meaning the function is decreasing.
Tags
CCSS.8.EE.B.5
6.
FLASHCARD QUESTION
Front
How can you determine if a graph represents a function?
Back
A graph represents a function if any vertical line drawn through the graph intersects it at most once (Vertical Line Test).
7.
FLASHCARD QUESTION
Front
What is the significance of the slope in a linear equation?
Back
The slope indicates the rate of change of y with respect to x; it shows how much y changes for a unit change in x.
Tags
CCSS.8.EE.B.5
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