Algebraic Expressions in One Variable

Which expression represents: "the product of 3 and x increased by 5"? 

• 5x - 3

• 3 - 5x

• 3x + 5

• 3x(5)

What is the coefficient of the following expression? 
7c + 8

• c

• 7

• 8

• 1

The algebraic expression 6x - 4 can be written as which of the following? 

• x to the sixth power decreased by four

• The product of six and a number x decreased by four

• Six times a number x less than four

• four less than six

Kendra’s math teacher assigned math homework, but Kendra decided to do 5 extra problems. Which algebraic expression shows how many problems Kendra completed?

• 5x

• x-5

• x+5

• x⁵

Write an expression using a variable to represent the expression

Eleven decreased by k ​ (a)  

• k-11

• k/11

• 11-k

• k+11

a symbol for an unknown value; usually a letter (such as a, x, or y) is the symbol used

• constant

• variable

• coefficient

• term

What is the definition of a variable?

• A letter or symbol that represents an unknown quantity

• The little number or letter used to raise to a power

• The number in front of a variable

• The number with no variable

Write an expression using a variable to represent the expression​ (a)  

g less than 8

• g-8

• g/8

• 8g

• 8+g

• 8-g

A variable is a letter or symbol used to represent an unknown number.

• True

• False

A _____________ is a symbol, usually a letter that stands for a number. 

• coefficient

• algebraic expression

• variable

• term