Expressions Variables

What are the variables in the following expression?

• 3, 4, 1 and 7

• z, x and y

• + and -

• 15

In this expression what is the variable? 
5 + y 

• q
• +
• 5
• y

Write the following statement as a mathematic expression with variable(s):

> The difference of 16 and K is seven.

Evaluate responses using AI:

OFF

What is the variable in the expression 13-y

• 13

• -

• y

• There is no variable

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

• coefficient

• algebraic expression

• variable

• term

Write an algebraic expression for:

the product of 5 and a number

• 5 + n

• n + 5

• 5n

Write an algebraic expression for:

8 more than a number

• 8 + n

• 8n

• n - 8

• 8 - n

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

• constant

• variable

• coefficient

• term

Which expressions represents the following?

Jake scored d points. Kyle scored 8 less than him.

• d- 8

• 8-d

• d + 8

• 8 + d

Julia has 4 times as many books as George. George has b amount of books.

• b + 4

• b - 4

• 4b