A quantity that may change within the context of a mathematical problem or experiment.
Variable
Find the Nth term rule for each sequence. (3, 7, 11, 15, 19)
4n - 1
Says that two things are equal. It will have an equal sign. The values on each side of the equal sign are balanced.
Equation
To make an equation smaller by combining like terms
Simplify
Find the Nth term rule for each sequence. (8, 6, 4, 2, 0)
-2n +10
a math expression in which one or more values are represented by avariable.
Algebraic expression
A number that does not change.
A constant
Which of the following are algebraic expressions? (5x × 2, 7y + 3x, 17×78)
5x × 2, 7y + 3x
A number used to multiply a variable.
Coefficient
A group of numbers, symbols and operators (+, -, x) grouped together that show the value of something.
Expression
.
Either a single number or variable, or numbers and variables multiplied together.
Term
Terms whose variables (letters or symbols), and their indices are the same.
Like terms
Expand them
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