Variables, Expressions, & Order of Operations

Question 1

Which word phrase can you use to represent the algebraic expression n ÷ 8?

Accepted Answer

the quotient of a number n and 8

Question 2

A _______ is a symbol, usually a letter, that represents values of a variable quantity.

Accepted Answer

variable

Question 3

A ______ ______ is a mathematical phrase that includes one or more variables.

Accepted Answer

algebraic expression

Question 4

A _______ _______ is a mathematical phrase involving numbers and operations, but no variables.

Accepted Answer

numerical expression

Question 5

What does the phrase "more than" mean in term of algebra?

Accepted Answer

added to

Question 6

What is the simplified form of 4 + 10 ÷ 4 + 6?

Accepted Answer

12.5

Question 7

To _____ an algebraic expression, you substitute a given number for each variable.

Accepted Answer

evaluate

Question 8

What is the value of -b − a when, a= -4 and b=7

Accepted Answer

-3

Question 9

What is the simplified form of (1.2 + 0) + 4.6 + 3.8?

Accepted Answer

9.6

Question 10

What is the value of (2a)2b − 2c2 for a= 2, b = 4, c = 3

Accepted Answer

46

Question 11

What does the word quotient mean?

Accepted Answer

the answer to a division problem

Question 12

Which expression is equal to 3 x 3 x 8 x 8 x 3?

Accepted Answer

33 x 82

Question 13

The _____ of a power tells how many times a number is used as a factor.

Accepted Answer

exponent

Question 14

Which operation is indicated by the algebraic expression xy?

Accepted Answer

multiplication

Question 15

What is an algebraic expression for 2 less than the product of 3 and a number x?

Accepted Answer

3x-2

Question 16

What operation would you use to represent "twice the previous day's amount"?

Accepted Answer

multiplication by 2

Question 17

What operation does the word "times" indicate?

Accepted Answer

multiplication

Question 18

To simplify the expression 9(33-52) ÷ 2, what do you do first?

Accepted Answer

square 5

Questions 18