Unit 2 REVIEW
Flashcard
•
Mathematics
•
8th Grade
•
Practice Problem
•
Hard
+4
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a function in mathematics?
Back
A function is a relation that assigns exactly one output (y-value) for each input (x-value).
Tags
CCSS.8.F.A.1
2.
FLASHCARD QUESTION
Front
How can you determine if a mapping is a function?
Back
A mapping is a function if no x-value is paired with more than one y-value.
Tags
CCSS.8.F.A.1
3.
FLASHCARD QUESTION
Front
What does it mean for a table to be proportional?
Back
A table is proportional if the ratio of the y-values to the x-values is constant.
Tags
CCSS.7.RP.A.2A
4.
FLASHCARD QUESTION
Front
What is the slope in the equation y = mx + b?
Back
The slope (m) represents the rate of change of y with respect to x.
Tags
CCSS.8.EE.B.5
5.
FLASHCARD QUESTION
Front
What does the y-intercept represent in the equation y = mx + b?
Back
The y-intercept (b) is the point where the line crosses the y-axis, indicating the value of y when x = 0.
Tags
CCSS.8.EE.B.6
CCSS.8.F.A.3
6.
FLASHCARD QUESTION
Front
How can you identify a non-proportional relationship from a table?
Back
A non-proportional relationship can be identified if the ratios of y-values to x-values are not constant.
Tags
CCSS.7.RP.A.2D
7.
FLASHCARD QUESTION
Front
What is the significance of the point (0, b) in a linear equation?
Back
The point (0, b) represents the y-intercept of the line, where the line crosses the y-axis.
Tags
CCSS.HSF-IF.C.7A
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