Vocabulary 1
A single number, variable, or numbers and variables multiplied together
Coefficient. Constant. Term
Term
What are the like terms in the expression? 5x-7y+23x
5x and 23x
What is the variable in 4m?
m
What are the like terms in the expression?
3x2+ 11x + 14x
11x and 14x
6(- 7b - 2)
-42b - 12
A mathematical sentence stating two expressions are equal
Equations
What are the like terms in the expression? 6y + 3x - 5y
6y and -5y
What is the variable? 3x2 + 25
x2
What are the like terms in the expression?
6x3+ 7x2 + 12x3
6x3 and 12x3
-2(-8b - 6)
16b + 12
The numerical Factor of a term that contains a variable (6 in 6x)
Coefficient. Constant. Term
Coefficient
Simplify: 3x + 9x - 20
12x - 20
What is the coefficient? 3x3-10
3
Simplify: 4x2-2x2 + 3x
2x2 + 3x
-5 (4k - 6)
- 20k + 30
A term with a fixed value that does not contain a variable (5 in 3x+5)
Coefficient Constant Term
Constant
Simplify: 8y - 6x + 2y + 3x
10y - 3x
What is the coefficient? -4.2y + 3.6
-4.2
Simplify: 5x2 - 10x + 3x - 2x2
3x2 -7x
-3(-4e - 6)
12e + 18
A symbol or letter to represent an unknown value
Variable
Simplify: 4x - 4y + 12 -10 + 2x
6x - 4y + 2
What is the constant? x2+ 4x + 725
725
Simplify: 3x3 + 2x - 4y3 -10
There are no like terms.
-9k (-3 - 7)
27k + 63k