Variables

What are the variables in the following expression?

• 3, 4, 1 and 7

• z, x and y

• + and -

• 15

What are variables in math?

• Letters

• Numbers

• Expressions

A variable represents what is ______________. 

• the answer

• the operation

• the difference

• unknown 

A variable is . . .

• an awesome number

• a number represented by a letter

• an infinite number

• a number multiplied by another number

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

• constant

• variable

• coefficient

• term

The y-axis is also called your ​ ​ (a)   variable and your ​ (b)   .​

• dependent

• input

• output

• independent

What variable typically represents the domain?

• x

• y

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

5p + 4h - 2
Which are the variables? 

• 5p, 4h, 2

• 2

• p, h

• 5, 4

In this expression what is the variable? 
5 + y 

• q
• +
• 5
• y