Chapter 3 Vocabulary

Question 0

Equations that have the same solution(s)

Answer 0

Equivalent equations

Question 1

Two operations that undo each other (addition and subtraction are inverse operations and multiplication and division are inverse operations)

Answer 1

Inverse operations

Question 2

An equation that is true for all values of the variable

Answer 2

Identity

Question 3

A comparison of two numbers using division. The ratio of a and b where b does not equal 0, can be written as a to b, a:b, or a/b.

Answer 3

Ratio

Question 4

An equation that states that two ratios are qui alert a/b=a/c where b and d does not equal 0

Answer 4

Proportion

Question 5

In a proportion, a cross product is the product of the numerator to one ration and the denominator of the other ratio. The cross products of a proportion are equal.

Answer 5

Cross product

Question 6

A two dimensional drawing of an object in which the dimensions if the model are in proportion to the dimensions of the object

Answer 6

Scale drawing

Question 7

A three dimensional model of an object in which the dimensions of the model are in proportion to the dimensions of the object

Answer 7

Scale model

Question 8

A ratio that relates the dimensions of a scale drawing or scale model and the actual dimensions

Answer 8

Scale

Question 9

An equation in which letters are used to replace the coefficients and constants of another equation

Answer 9

Literal equation