15 terms

lsowatskyTEACHER

square root

a number that when multiplied by itself equals a given number

radicand

The expression under the radical sign

perfect square

a number that is the square of an integer

irrational number

a number that can NOT be expressed as a ratio of two integers or as a repeating or terminating decimal - Pi or any square root of an imperfect square are considered irrational

real numbers

the set of all rational and irrational numbers

inverse operations

operations that undo each other

equivalent equations

equations that have the same solution

identity

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

ratio

a comparison of two integers

proportion

an equation that states that two ratios are equal

cross product

The product of numbers on the diagonal when comparing two ratios

scale drawing

A drawing that uses a scale to make an object smaller than or larger than the real object.

scale model

A model of an object in which the dimensions are in proportion to the actual dimensions of the object.

scale

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

literal equation

an equation involving two or more variables