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Algebra Chapter 2
Chapter 2 vocab focus
Question | Answer |
---|---|
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. |