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# Algebra Chapter 2

### Chapter 2 vocab focus

Multiplicative inverse Another name for reciprocal. When you multiply a number by this you get 1.
Solution The answer to a problem.
Equation A expression that states two things are the equal. It uses an equals sign.
Additive inverse What you add to a number to get zero. The negative of a number.
Isolate To move pieces of the equation around so that the variable is alone and positive.
Division property The same number is divided by both sides of the equation.
Deduce Arrive at (a fact or a conclusion) by reasoning; draw as a logical conclusion.
Multiplication property The same number is multiplied on both sides of the equation.
Addition property The same number is added to both sides of an equation.
Subtraction property The same number is subtracted to both side of an equation.
Literal equation An equations that is made up of only variables.
Coefficient A number used to multiply a variable.
Constant A number on its own, or sometimes a letter such as a, b or c to stand for a fixed number.
Distributive property Multiply a number by a group of numbers. The jumping property.
variable A symbol for a number we don't know yet. It is usually a letter like x or y.
corresponding Angles or sides that appear in the same place in two similar situations.
percent Part per 100.
rational number Any number that can be made by dividing one integer by another. The word comes from "ratio".
equivalent fraction Fractions that have the same value, even though they may look different.
rate A quantity, amount, or degree of something measured per unit of something else. Example: 80 words per minute.
ratio Compares values of different things such as boys to girls or desks to chairs.
unit rate The ratio of two measurements in which the second term is 1.
conversion factor A unit used to multiply or divide a quantity when converting from one system of units to another – such as inches to yards.
similar These two shapes are this when one is smaller and/or flipped over, but otherwise the same.
Created by: jamimurray