Something for the studious math student: What does this do?"Σ"

Multiply by an irrational number

Short Math Symbols Quiz

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| By Damon Chen

Damon Chen

Community Contributor

Quizzes Created: 1 | Total Attempts: 1,774

Questions: 10 | Attempts: 1,776 | Updated: Mar 20, 2023

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Questions and Answers

1.

Time to test your highschool memory. What does this symbol mean?"π"
- A.
  
  Pi
- B.
  
  Tau
- C.
  
  Sigma
Correct Answer
A. Pi

Explanation
Pi is a mathematical symbol that represents the ratio of a circle's circumference to its diameter. It is a constant value that is approximately equal to 3.14159. Pi is commonly used in various mathematical calculations and formulas, such as finding the area or circumference of a circle.

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2.

Starting off easy, what does this symbol mean?"+"
- A.
  
  Addition
- B.
  
  Subtraction
- C.
  
  Multiplication
Correct Answer
A. Addition

Explanation
The symbol "+" represents the operation of addition. It is used to combine two or more numbers together to find their sum. For example, if we have the numbers 2 and 3, adding them together using the "+" symbol would give us a sum of 5. Therefore, the correct answer is addition.

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3.

Another easy one here."÷"
- A.
  
  Multiplication
- B.
  
  Subtraction
- C.
  
  Division
Correct Answer
C. Division

Explanation
The symbol "÷" is commonly used to represent the mathematical operation of division. Therefore, the correct answer is "Division."

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4.

What does this symbol mean?"!"
- A.
  
  Parallel
- B.
  
  Factorial
- C.
  
  Proportionate
Correct Answer
B. Factorial

Explanation
The symbol "!" in mathematics represents the factorial operation. Factorial is a mathematical function that multiplies a given number by all of the positive integers less than it. For example, 5! (read as "5 factorial") is equal to 5 x 4 x 3 x 2 x 1, which equals 120. Therefore, the correct answer is "Factorial."

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5.

What does this symbol mean?"≈"
- A.
  
  Equals to
- B.
  
  Congruent
- C.
  
  Approximately equal to
Correct Answer
C. Approximately equal to

Explanation
The symbol "≈" is used to represent "approximately equal to." It indicates that two values are very close or almost equal, but not exactly equal. This symbol is commonly used in mathematics and science to show an approximation or an estimate of a value.

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6.

Something more difficult now. What does this mean?"τ"
- A.
  
  Tau
- B.
  
  Pi
- C.
  
  Transform
Correct Answer
A. Tau

Explanation
"Tau" is a Greek letter that represents a mathematical constant equal to 2π, where π is the ratio of the circumference of a circle to its diameter. It is often used in mathematics and physics as an alternative to π, as it simplifies many equations and formulas. Therefore, the correct answer is "Tau".

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7.

Something that might be challenging but fairly easy to guess:"±"
- A.
  
  Add and then subtract
- B.
  
  Subtract and then add
- C.
  
  Plus or minus
Correct Answer
C. Plus or minus

Explanation
The term "plus or minus" is commonly represented by the symbol "±". It indicates that there are two possible outcomes, one positive and one negative. In this context, it suggests that the task or situation mentioned is challenging, but at the same time, it is relatively easy to make an educated guess about the possible outcomes.

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8.

Something for the studious math student: What does this do?"Σ"
- A.
  
  Sigma
- B.
  
  Divide by two
- C.
  
  Add all numbers
- D.
  
  Multiply by an irrational number
Correct Answer
C. Add all numbers

Explanation
The symbol "Σ" represents the summation notation in mathematics. It is used to indicate the sum of a series of numbers. Therefore, the correct answer "Add all numbers" accurately describes the purpose of the symbol "Σ".

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9.

A bit discrete and unknown; what does this mean?"∝"
- A.
  
  Alpha
- B.
  
  Proportinate
- C.
  
  1000
Correct Answer
B. Proportinate

Explanation
The term "proportinate" is not commonly used and may be considered discrete and unknown. It implies that the answer is not widely known or easily recognizable.

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10.

What does this mean?"φ"
- A.
  
  Beta
- B.
  
  Kappa
- C.
  
  Phi
Correct Answer
C. pHi

Explanation
This question is asking for the meaning of the symbol "Φ". The correct answer is "Phi", which is the name of the Greek letter Φ.

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Current Version
Mar 20, 2023

Quiz Edited by
ProProfs Editorial Team
Nov 03, 2017

Quiz Created by
Damon Chen

Short Math Symbols Quiz

Time to test your highschool memory. What does this symbol mean?"π"

Starting off easy, what does this symbol mean?"+"

Another easy one here."÷"

What does this symbol mean?"!"

What does this symbol mean?"≈"

Something more difficult now. What does this mean?"τ"

Something that might be challenging but fairly easy to guess:"±"

Something for the studious math student: What does this do?"Σ"

A bit discrete and unknown; what does this mean?"∝"

What does this mean?"φ"