What is a variable?
7th Grade Math Review

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Mathematics
•
7th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
Back
A letter or symbol that represents an unknown quantity.
2.
FLASHCARD QUESTION
Front
Simplify the expression: 6 + 2(7x - 3)
Back
14x
3.
FLASHCARD QUESTION
Front
What is the measure of the supplementary angle if the measure of an angle is 34°?
Back
146°
4.
FLASHCARD QUESTION
Front
What is the constant of proportionality?
Back
The constant value that relates two proportional quantities.
5.
FLASHCARD QUESTION
Front
What is a unit rate?
Back
A comparison of two different quantities when they are combined together, expressed as a quantity of one.
6.
FLASHCARD QUESTION
Front
What is the formula for the area of a rectangle?
Back
Area = length × width.
7.
FLASHCARD QUESTION
Front
What is the formula for the perimeter of a rectangle?
Back
Perimeter = 2(length + width).
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