Alg 1 Chapter 1 Vocab

A value that does not change. 

A statement that two ratios are equal. 

In the picture the two numbers multiplied together result in what? 

An equation that is true for all values of the variables. 

The level of detail of a measurement, determined by the unit of measure. 

This expression contains variables, constants, and/or operations. 

A 3-dimensional model that uses a scale to represent an object as small/big than the actual.  

A drawing that uses a scale to represent an object as smaller or larger than the actual object.

A value or values that make the equation true. 

A process that uses rates to convert measurements from one unit to another. 

A rate in which the second quantity in the comparison is one unit. 

The closeness of a given measurement or value to the actual measurement or value.

A symbol used to represent a quantity that can change. 

A ratio that compares two quantities measured in different units. 

This expression may contain only constants and/or operations. 

An equation that contains two or more variables. 

Two figures are similar if they have the same shape but not necessarily the same size.

A comparison of two quantities by division. 

The multiplier used on each dimension to change one figure into a similar figure. 

Angles in the same relative position in polygons with an equal number of angles. 

The ratio between two corresponding measurements. 

A method of measurement that uses formulas, similar figures, and/or proportions. 

Sides in the same relative position in polygons with an equal number of sides. 

To find the value of an algebraic expression.

A mathematical statement that two expressions are equivalent. 

A literal equation that states a rule for a relationship among quantities. 

The amount by which a measurement is permitted to vary from a specified value. 

The ratio of two equal quantities, each measured in different units.