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MF.PR.6 Challenge MF-020-A13-V02

Find and interpret the constant of proportionality in multiple representations.

Choose a smart first step for finding k

Problem

A table has \(x~=~3,7,11\) and \(y~=~12,28,44\). Consider these methods for finding \(k\): A, divide \(y/x\); B, divide \(x/y\); C, subtract \(x\) from \(y\); D, divide \(y/x\) but reverse its meaning. Choose the method that works, then calculate \(k\) with generic units.

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Four variants of this problem type
Curriculum context
Standard
MF.PR.6
Category
Proportional Reasoning
Domain
Representations
Objective
Find and interpret the constant of proportionality in multiple representations.
Problem type
Choose a smart first step for finding k