Kayla Nelsen
Parts of an algebraic Expression
an expression with operations symbols, numbers and parts including variables.
What is an algebraic expression?
2m, 4k, 6 The terms
2m+4k+6 The algebraic expression
Terms: parts of an expression seperated by plus and minus signs.
What are variables?
Variables:
The letters or symbols in an expression that represent numbers.
2m+4k+6
The variables:
m & k
2m+4k+6
The coefficients are: 2 and 4
Coefficients:
The numbers before the variables.
2m+4k+6
The constant is 6.
Constants:
The numbers in the expression without variables.
3p+5r+2+7n
Name the terms, variables, coefficients, and constants of this algebraic expression.
term
7n
term
term
5r
term
3p
3p+5r+2+7n
variables
p, r, n
coefficients
3, 5, 7
constant
1. There will always be terms and variables 2. There might not always be constants
Things to note about algebraic expressions: