Mod 5 Vocab

Given the actual value, a, of a quantity and an approximate value, x, of the quantity, the absolute

error is |x−a|.

• Absolute error

• Percent error

• Proportion

The percent the absolute error is of the actual value, (|x−a|a⋅100)% where a is the actual value

of the quantity and x is the approximate value of the quantity

• Absolute error

• Percent error

• Proportion

An equation that states that two ratios are equivalent. It can be written in the form ab=cd , where

b and d are not zero

• Absolute error

• Percent error

• Proportion

A figure formed by the intersection of a plane and a three-dimensional solid

• absolute value

• associative property of multiplication

• constant of proportionality

• cross section

means that grouping the factors in a three-factor multiplication expression in different ways does not change the product. For example, 7 × (6 × 10) = (7 × 6) ×

• absolute value

• associative property of multiplication

• constant of proportionality

• cross section

The distance between a number and zero on a number line. The absolute value of a number n is written |n|.

• absolute value

• associative property of multiplication

• constant of proportionality

• cross section

The constant unit rate in a proportional relationship between two quantities

• absolute value

• associative property of multiplication

• constant of proportionality

• cross section

states equivalence between two expressions, has an equal sign

• Percent

• Equation

• Profit

• Proportional Relationship

Measures of two quantities are in a proportional relationship if there is a constant unit rate, known as the constant of proportionality k, between pairs of corresponding values, meaning the relationship is described by an equation of the form 𝑦 = 𝑘�

• Percent

• Equation

• Profit

• Proportional Relationship

is a fraction with a denominator of 100

• Percent

• Equation

• Profit

• Proportional Relationship