8th Grade Math Semester Exam Review

Flashcard
•
Mathematics
•
8th Grade
•
Hard
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Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is π (Pi)?
Back
π (Pi) is an irrational number approximately equal to 3.141592654, which cannot be expressed as a fraction.
Tags
CCSS.8.NS.A.1
2.
FLASHCARD QUESTION
Front
In the equation y=mx+b, what does 'b' represent?
Back
'b' represents the Y-intercept, the point where the line crosses the Y-axis.
Tags
CCSS.8.EE.B.6
CCSS.8.F.A.3
3.
FLASHCARD QUESTION
Front
How do you identify the y-intercept from a graph?
Back
The y-intercept is the point where the graph crosses the Y-axis, represented as (0, y).
4.
FLASHCARD QUESTION
Front
What is the equation for a rental truck that charges $20 plus $7.50 per hour?
Back
The equation is y = 7.5x + 20, where y is the total cost and x is the number of hours rented.
Tags
CCSS.8.F.B.4
CCSS.HSF.LE.A.2
5.
FLASHCARD QUESTION
Front
What are rational numbers?
Back
Rational numbers are numbers that can be expressed as a fraction of two integers, where the denominator is not zero.
Tags
CCSS.5.NBT.A.2
6.
FLASHCARD QUESTION
Front
What are irrational numbers?
Back
Irrational numbers cannot be expressed as a simple fraction; their decimal representation goes on forever without repeating.
Tags
CCSS.8.NS.A.1
7.
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, indicating how steep the line is.
Tags
CCSS.8.EE.B.5
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