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Glencoe Common Core Algebra 1 Chapter 1 Vocabulary
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Terms in this set (14)
algebraic expression
an expression consisting of one or more numbers and variables along with one or more arithmetic operations.
base
in an expression of the form x to the nth power, the base is x.
coefficient
The numerical factor of a term.
equation
A mathematical sentence that contains an equal sign, =.
exponent
In an expression of the form x to the nth power, the exponent is n. It indicates the number of times x is used as a factor.
like terms
Terms that contain the same variables, with corresponding variables having the same exponent.
Order of Operations
1. Evaluate expressions inside grouping symbols.
2. Evaluate all powers.
3. Do all multiplications and/or divisions from left to right.
4. Do all additions and/or subtractions from left to right.
power
An expression of the form x to the nth power.
Reciprocal
Two numbers whose product is 1.
replacement set
A set of numbers from which replacements for a variable may be chosen.
simplest form
An expression is in simplest form when it is replaced by an equivalent expression having no like terms or parentheses.
solution
A replacement value for the variable in an open sentence.
Term
A number, a variable, or a product or quotient of numbers and variables.
Variable
1. Symbols used to represent unspecified numbers or values.
2. a characteristic of a group of people or objects that can assume different values.
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