Math Must-Know 5 (Number Theory 1)
Flashcard
•
Mathematics
•
8th Grade
•
Practice Problem
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
Formula for lateral surface area of a triangular prism
Back
A = (a+b+c)h
2.
FLASHCARD QUESTION
Front
A number that is expressed in terms of the square root of a negative number (usually the square root of −1, represented by the letter i)
Back
Imaginary numbers
3.
FLASHCARD QUESTION
Front
The product of A and 0 is 0.
Back
Zero property of multiplication
4.
FLASHCARD QUESTION
Front
For every nonzero real number A, there is a multiplicative inverse 1/A such that A (1/A) = 1.
Back
Inverse Property of Multiplication
5.
FLASHCARD QUESTION
Front
Surface area of a sphere
Back
4πr²
6.
FLASHCARD QUESTION
Front
The sum of the angles in a triangle is always equal to what?
Back
180 degrees
7.
FLASHCARD QUESTION
Front
What is the formula for the area of a rectangle?
Back
A = length × width
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