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# Algebra 1: Chapter 1 Pearson

Across
Collection of rules that reflect conventions about which procedures to perform first when evaluating expressions
Changing the grouping of the factors does not change the product.
Has two parts, a base and an exponent
The product of any number times zero is zero
Anything that can be measured, or counted
Contains numbers and operation symbols, no variables
The property which states changing the order of the addends will not change the sum
Have the same value for all values of the variable(s)
A term that has no variable
Non-negative integers
To replace an expression with its simplest name, or form
A symbol, usually a letter, that represents one or more numbers
A mathematical phrase that includes variables
Represented by the 3 in the power 2^3
Consists of elements from a given set
The product of any real number and 1 is the original number
Down
The numerical factor when a term has a variable
A(B + C) = AB + AC
The number that is multiplied repeatedly in a power
In decimal form, the number will repeat or terminate
{...-2, -1, 0, 1, 2, ...}
A number that cannot be written as a ratio of two integers
A set formed by rational and irrational numbers
To substitute a given number for each variable, and then simplify
A mathematical sentence that uses an equal sign
A well-defined collection of elements