8th Math Semester 1 Review
Flashcard
•
Mathematics
•
8th Grade
•
Practice Problem
•
Hard
+6
Standards-aligned
Wayground Content
FREE Resource
Student preview
15 questions
Show all answers
1.
FLASHCARD QUESTION
Front
What is the definition of a linear function?
Back
A linear function is a function that graphs to a straight line, represented by the equation 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 a positive slope indicate about a graph?
Back
A positive slope indicates that as the x-value increases, the y-value also increases, showing a direct relationship.
Tags
CCSS.8.EE.B.5
3.
FLASHCARD QUESTION
Front
What does a negative slope indicate about a graph?
Back
A negative slope indicates that as the x-value increases, the y-value decreases, showing an inverse relationship.
Tags
CCSS.8.EE.B.5
4.
FLASHCARD QUESTION
Front
What does a zero slope indicate about a graph?
Back
A zero slope indicates that the line is horizontal, meaning there is no change in y as x changes.
Tags
CCSS.8.EE.B.5
5.
FLASHCARD QUESTION
Front
What does an undefined slope indicate about a graph?
Back
An undefined slope indicates that the line is vertical, meaning there is no change in x as y changes.
Tags
CCSS.8.EE.B.5
6.
FLASHCARD QUESTION
Front
How do you construct a linear function from a word problem?
Back
Identify the fixed cost and variable cost, then express the total cost as a function of the variable (e.g., y = mx + b).
Tags
CCSS.8.F.B.4
CCSS.HSF.LE.A.2
7.
FLASHCARD QUESTION
Front
What is the formula for calculating the slope between two points (x1, y1) and (x2, y2)?
Back
The slope (m) is calculated as m = (y2 - y1) / (x2 - x1).
Tags
CCSS.8.EE.B.5
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