BJU Press— Algebra 1 Chapter 1
Best of Luck!
Best of Luck!
Reciprocals (multiplicative inverses)
2 numbers whose product is 1
Set
A collection of objects
Unit Multiplier
A fraction made up of equivalent measures, that is equal to one. It is used to convert from one unit to another.
Graph
A point on a number line
Subset
A set that is part of a larger set
Empty Set
A set with no elements
Mathematical Property
An equation or statement that is true for any value of the variables
Subtraction
An operation in which we take away 1 number from another to get a smaller number
Rational Numbers
Any number that can be expressed as a fraction
Zero Power
Anything to the power zero is just "1"
Element or Member
Each object in a set
Negitive Exponents
For any nonzero number "x" and "a", x..-a = 1/x..a
Irational numbers
Has decimal form that neither terminates nor repeats, and it cannot be written as the ratio of two integers
Union of Sets (U)
Is the set of elements that appear in any of the sets.
Division
Multiplying by the reciprocal of the divisor
Negative Numbers
Numbers less than zero
Opposite Number
On a number line, a number that is the same distance away from zero in the other direction
Absolute Value
The distance a number is from zero on a number line
Intersection of Sets
The elements that are common to two or more sets
Origin
The point at zero
Coordinate
The real number that corresponds to a point