Question

What is a variable?

a.
A variable is an unknown number or value represented by a letter
c.
A variable represents a change in value
b.
A variable always represents the total amount
d.
A variable is always represented by the letter x




 

Please select the best answer from the choices provided

Answer 1

A variable is an unknown number or value represented by a letter. If there was an equation x+2=19, then x would be the variable, because it is a letter representing an unknown value
hope this helps:))

Answer 2

A.
A variable is an unknown number or value represented by a letter.

A variable is an unknown number or value represented by a lower case letter.