Unit 4 Vocab

A Comparison of two values

• Ratio

• Rate

• Unit Rate

• Proportion

Ratios should always be written in what form?

• Fraction

• Decimal

• Simplest

Which is NOT a way to write a ratio comparing a and b ?

• a/b

• a:b

• a.b

• a to b

Which of these would be considered a unit rate

• 3 miles: 30 minutes

• 20 miles per hour

• 5:3

• 7/8

How do you solve for a unit rate?

• Divide numerator by denominator

• Divide denominator by numerator

• Multiply denominator by numerator

• Multiply numerator by denominator

A ____ is an equation that states two ratios are equal.

• Ratio

• Rate

• Percent

• Proportion

To determine if a set of ratios are proportional, check their _____.

• Numerators

• Denominators

• Cross Products

• Cross Quotients

Which equation below represents a proportional relationship?

• y=mx+b

• e=mc^2

• y=kx

• y=x^2

How do you solve for the constant of proportionality, k?

• divide x by y

• divide y by x

• multiply y by x

• multiply x byy

How do you divide to find the C.O.P (Constant of Proportionality)