What is the formula for the circumference of a circle?
8th Grade ACT Aspire Math Review

Quiz
•
Mathematics
•
8th - 9th Grade
•
Medium
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Used 12+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Circumference = πd, where d is the diameter.
Circumference = 2πr, where r is the radius.
Circumference = πr^2, where r is the radius.
Circumference = 2r, where r is the radius.
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
What is the result of 3x + 8x?
9x
10x
11x
12x
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
What is the formula for the volume of a rectangular prism?
Volume = length × width × height.
Volume = length + width + height.
Volume = length × width + height.
Volume = length × height × width.
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
What is scientific notation?
A method for calculating square roots of large numbers.
A way of expressing numbers that are too large or too small to be conveniently written in decimal form. The first number must be greater than 1 and less than 10, followed by a power of 10.
A technique used to convert fractions into decimals.
A system for organizing data in a spreadsheet.
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
What is the square root of 100?
8
9
10
12
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Solve for x: 3x - 5 = 4.
x = 1
x = 2
x = 3
x = 4
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
What does it mean for a number to be in scientific notation?
It means the number is expressed as a product of a number between 1 and 10 and a power of 10.
It means the number is written in decimal form only.
It means the number is rounded to the nearest whole number.
It means the number is expressed as a fraction of two integers.
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