Algebra: Chapter 2: Linear Equations

Front 1

Formula

Back 1

A rule for the relationship between certain quantities

Front 2

Solving an equation

Back 2

to find the value of the variable that makes the equation true

Front 3

Equivalent equations

Back 3

Have the same solution

Front 4

Multi step equation

Back 4

An equation requires more then one step to solve

Front 5

Consecutive integers

Back 5

are integers in counting order

Front 6

Number theory

Back 6

Is the study of numbers and the relationship between them

Front 7

Identities

Back 7

Equations are all true for all values of the variables

Front 8

Ratio

Back 8

Is a comparison of two numbers by division

Front 9

proportion

Back 9

a equation stating that two ratios are the equal

Front 10

Means

Back 10

they are the middle terms of the proportion

Front 11

extremes

Back 11

They are the first and last terms of the proportion

Front 12

Rate

Back 12

The ratio of two measurements having different units of measure

Front 13

Unit rate

Back 13

A rate that tells how many of one item is being compared to 1 of another item

Front 14

Scale

Back 14

is used when making a model of something that is to large or to small to be convenient at actual use

Front 15

scale model

Back 15

is three-dimensional production of an item that has been reduced or increased in size proportionally

Front 16

percent of change

Back 16

is the ratio of the change in an amount to the original amount expressed as a percent

Front 17

Percent of increase

Back 17

If the new number is reader then the original number, the percent of change is a percent of increase

Front 18

percent of decrease

Back 18

If the new number is less then the original number the percent of change is a percent of decrease

Front 19

Percentile

Back 19

Is a measure that if often used to report test data

Front 20

Literal equation

Back 20

A formula or equation that involves several variables

Front 21

dimensional analysis

Back 21

Is the process of carrying units throughout a computation

Front 22

unit analysis

Back 22

Is the process of carrying units throughout a computation

Front 23

weighted average

Back 23

A set of data is the sum of the product of the number of units and the value per unit divided by the sum of the number of units

Front 24

mixture problem

Back 24

Are problems in witch two or more parts are combined into a whole

Front 25

uniform motion problem

Back 25

Are problem in which an object moves at a certain speed or rate

Front 26

rate problems

Back 26

Are problems in which an object moves at a certain speed or rate