Algebraic Expressions Given Variable

An Algebraic Expression is a mathematical phrase that includes at least one ___________________.

• variable

• coefficient

• constant

• Sponge Bob

Identify the variable of the algebraic expression:

• 3

• x

• 5

• 3x and 5

A symbol for a number we don't know yet. This is usually a letter.

• coefficient

• sum

• variable

• term

What are the variables in the following expression?

• 3, 4, 1 and 7

• z, x and y

• + and -

• 15

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

• constant

• variable

• coefficient

• term

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

• True

• False

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

Write an expression using a variable to represent the expression

Eleven decreased by k ​ (a)  

• k-11

• k/11

• 11-k

• k+11

How many terms are in the algebraic expression?

• 5

• 2

• 4

• 3