Trivia Quiz On Variables, Expressions, Exponents Order Of Operations!
This quiz covers variables, expressions, exponents and the order of operations. There is a list of mathematical words problems and Multiple Choice questions. So, let's try out the quiz. All the best!
- 1.
A letter used to represent one or more numbers is a:
- A.
Solution
- B.
Variable
- C.
Expression
- D.
Exponent
Correct Answer
B. VariableExplanation
A letter used to represent one or more numbers is called a variable. In mathematics and algebra, variables are used to represent unknown values or quantities. They can be assigned different values and are often used in equations and expressions to solve problems or find solutions. Variables allow for flexibility and generalization in mathematical calculations and analysis.Rate this question:
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- 2.
To find the product of two numbers you should:
- A.
Add
- B.
Subtract
- C.
Multiply
- D.
Divide
Correct Answer
C. MultiplyExplanation
To find the product of two numbers, you should multiply them. Multiplication is the mathematical operation that combines two numbers to give their total value when they are repeated a certain number of times. In this case, multiplying two numbers together will give you their product, which represents the result of their multiplication.Rate this question:
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- 3.
To find the quotient of a number you should:
- A.
Add
- B.
Subtract
- C.
Multiply
- D.
Divide
Correct Answer
D. DivideExplanation
To find the quotient of a number, you should divide. Division is the mathematical operation used to find how many times one number can be divided by another. In this case, the quotient refers to the result of dividing one number by another. Therefore, dividing is the correct operation to find the quotient of a number.Rate this question:
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- 4.
Which variable expression represents "The sum of a number and 6'
- A.
N + 6
- B.
6n
- C.
N - 6
- D.
N/6
Correct Answer
A. N + 6Explanation
The variable expression "n + 6" represents the sum of a number and 6. By adding the variable "n" to the constant 6, we can find the sum of any number and 6.Rate this question:
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- 5.
Which variable expression represents "14 less than a number"
- A.
N/14
- B.
14-n
- C.
N-14
- D.
N^14
Correct Answer
C. N-14Explanation
The variable expression "n-14" represents "14 less than a number". This is because when we subtract 14 from a number, we are finding the value that is 14 less than that number. Therefore, the correct answer is n-14.Rate this question:
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- 6.
Which variable expression represents the phrase "The product of 17 and a number"
- A.
N - 17
- B.
N + 17
- C.
17n
- D.
17/n
Correct Answer
C. 17nExplanation
The variable expression 17n represents the phrase "The product of 17 and a number." This is because when we multiply 17 by a variable n, we get the product of 17 and that number.Rate this question:
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- 7.
When there is nothing between a number and parenthesis you should:Example 5(4)
- A.
Add
- B.
Subtract
- C.
Multiply
- D.
Divide
Correct Answer
C. MultiplyExplanation
When there is nothing between a number and parentheses, it implies multiplication. In the given example, 5(4), the absence of any operation symbol between 5 and (4) suggests that the two values should be multiplied together. Therefore, the correct answer is to multiply.Rate this question:
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- 8.
Which variable expression represents the phrase "The quotient of a number and 5"
- A.
N/5
- B.
5n
- C.
N = 5
- D.
N + 5
Correct Answer
A. N/5Explanation
The variable expression "n/5" represents the phrase "The quotient of a number and 5." This is because the division symbol "/" indicates the quotient, and "n" represents the number being divided. Therefore, "n/5" means dividing the number "n" by 5.Rate this question:
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- 9.
5^3 (5 to the third power)Which number is the base?
- A.
5
- B.
3
- C.
Both
Correct Answer
A. 5Explanation
The base in this question refers to the number that is being raised to a power. In this case, the base is 5 because it is being raised to the power of 3. The exponent 3 indicates that the base 5 is being multiplied by itself three times.Rate this question:
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- 10.
What is 5^3? (5 to the third power)
- A.
15
- B.
25
- C.
125
- D.
None of the above
Correct Answer
C. 125Explanation
The question asks for the value of 5 raised to the power of 3, which means multiplying 5 by itself three times. When we do this calculation, we get 5 x 5 x 5 = 125. Therefore, the correct answer is 125.Rate this question:
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- 11.
How would you write n times n times n times n times n times n
- A.
N^4
- B.
N^5
- C.
N^6
- D.
N^7
Correct Answer
C. N^6Explanation
The correct answer is n^6 because when we multiply n by itself six times, we get n^6.Rate this question:
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- 12.
Evaluate this expression when m=3m^4
- A.
9
- B.
12
- C.
27
- D.
81
Correct Answer
D. 81Explanation
When m=3m^4, we substitute the value of m into the expression. Therefore, the expression becomes 3m^4 = 3(3m^4)^4 = 3(3^4m^16) = 3(81m^16) = 243m^16. Evaluating this expression, we get 243m^16 = 243(3m^4)^16 = 243(81)^16 = 243(6561) = 1594323. Therefore, the correct answer is 81.Rate this question:
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- 13.
Evaluate this expression when x = 64 and y = 4 x/y
- A.
60
- B.
68
- C.
16
- D.
256
Correct Answer
C. 16Explanation
When we substitute x = 64 and y = 4 into the expression x/y, we get 64/4 = 16. Therefore, the correct answer is 16.Rate this question:
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- 14.
Find the area of a square with side lengths of 12 inches
- A.
12 inches^2
- B.
144 inches^2
- C.
48 inches^2
- D.
24 inches^2
Correct Answer
B. 144 inches^2Explanation
The area of a square is calculated by multiplying the length of one side by itself. In this case, the side length of the square is given as 12 inches. Therefore, the area of the square can be found by multiplying 12 inches by 12 inches, which equals 144 square inches.Rate this question:
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- 15.
Find the volume of a square cube with side lengths of 3 cm
- A.
6 cm^3
- B.
12 cm^3
- C.
27cm^3
- D.
81cm^3
Correct Answer
C. 27cm^3Explanation
The volume of a cube is calculated by multiplying the length of one side by itself twice. In this case, the side length is given as 3 cm. So, the volume is calculated as 3 cm * 3 cm * 3 cm = 27 cm^3.Rate this question:
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- 16.
What is the correct order of operations?
- A.
Parentheses, Divide, Exponents, Multiply, Add, Subtract
- B.
Parenthesis, Exponents, Multiply, Divide, Add, Subtract
- C.
Parenthesis, multiply, Divide, Exponents, Add, Subtract
- D.
None of the above
Correct Answer
B. Parenthesis, Exponents, Multiply, Divide, Add, SubtractExplanation
The correct order of operations is Parentheses, Exponents, Multiply, Divide, Add, Subtract. This order is commonly known as PEMDAS, where Parentheses are evaluated first, followed by Exponents, then Multiplication and Division (from left to right), and finally Addition and Subtraction (from left to right). This order ensures that mathematical expressions are evaluated correctly and consistently.Rate this question:
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- 17.
Use the order of operations to solve:14/7 + 36/4
- A.
9
- B.
10
- C.
11
- D.
12
Correct Answer
C. 11Explanation
To solve the given expression, we need to follow the order of operations, which states that we should perform any calculations inside parentheses first, then evaluate exponents, followed by multiplication and division from left to right, and finally addition and subtraction from left to right. In this case, there are no parentheses or exponents, so we move on to division. We divide 14 by 7 to get 2, and divide 36 by 4 to get 9. Then, we add these two results together, giving us 2 + 9 = 11. Therefore, the correct answer is 11.Rate this question:
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- 18.
Use the order of operations to solve: 36 / (19 - 13) 4^2 - (12 + 2)
- A.
2
- B.
3
- C.
4
- D.
5
Correct Answer
B. 3Explanation
The given expression can be solved using the order of operations, also known as PEMDAS. First, we solve the expression inside the parentheses: (19 - 13) = 6. Then, we divide 36 by 6, which gives us 6. Next, we solve the expression inside the second set of parentheses: (12 + 2) = 14. Finally, we subtract 14 from 4^2, which gives us 0. Therefore, the answer is 6 - 0 = 6.Rate this question:
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Current Version
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Mar 20, 2023Quiz Edited by
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Sep 24, 2008Quiz Created by
Mscarb72
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