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# Chapter 1: Algebra 1

Across
Reaching a conclusion based on an observed pattern
The number that is multiplied repeatedly in a power
An equation that contains one or more variables and may be true or false depending on the value of its variables
Has two parts, a base and an exponent
Have the same value for all values of the variable(s)
A number, variable, or the product of a number and one or more variables in an algebraic expression
Have the same variable factors
To substitute a given number for each variable, and then simplify
Contains numbers and operation symbols, no variables
Down
A(B + C) = AB + AC
Logical, based on facts
Compares the values of two expressions using > or <
A numbers distance from zero on a number line
A numbers multiplicative inverse
Collection of rules that reflect conventions about which procedures to perform first when evaluating expressions
To replace an expression with its simplest name, or form
Represented by the 3 in the power 2^3
A mathematical phrase that includes variables
Represented by the number a, if a^2 = b
Non-negative integers
A set formed by rational and irrational numbers
A symbol, usually a letter, that represents one or more numbers
{...-2, -1, 0, 1, 2, ...}
Two numbers that are the same distance from zero on a number line, one is to the left of zero and the other is to the right of zero
A term that has no variable