Problem preview
MF.PR.5 Challenge MF-019-A13-V04

Determine whether a relationship is proportional from a table, graph, equation, or context.

Choose a smart proportionality test

Problem

A bike rental costs \(\$12~\text{for}~\text{sign}\text{-}\text{up}\) plus \(\$4~\text{per}~\text{hour}\). Consider these first tests: A, check for a starting value; B, use the hourly rate only; C, use equal differences; D, use the unit rate and then account for the fee. Choose the best first test, then classify the relationship.

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Four variants of this problem type
Curriculum context
Standard
MF.PR.5
Category
Proportional Reasoning
Domain
Representations
Objective
Determine whether a relationship is proportional from a table, graph, equation, or context.
Problem type
Choose a smart proportionality test