Algebra Vocabulary Unit 1 Part 2 Flashcards
(11 cards)
Ratio
A relationship between two quantities
Rate
the numbers or measurements being compared are called the terms of the ratio
Scale
The ratio of the size of a modle or other repesenation
Unit rate
A rate is the ratio that is used to compare different kinds of quantities
Conversion factor
Used to convert a measured quantity to a different unit of measure without changing the relative amount
Proportion
An equation stating that two ratios are equal
Cross product
A binary operation on two vectors in three-dimensional space denoted by the symbol
Drawing
A real object with accurate sizes
Scale Model
Length in the drawing
Dimensional analysis
Problem solving method that uses the fact that any number or expression can be multiplied by one without changing its value
Scale factor
Ratio of volumes of two similar figures is the cube of the scale factor