Equations for Proportional Relationships

Daniel Math Academy · Grade 7 Math

Equations for Proportional Relationships

Skill E.6 · Ratios & proportions · ★★☆ Medium · Quarter 3

Name

 

Date

 

Score/ 6

Scan for answers

Write an equation in the form y = kx for each table.

1. 1
   $\begin{array}{ccccc}x& 2& 3& 4& 5\\ y& 2.4& 3.6& 4.8& 6\end{array}$
2. 2
   $\begin{array}{ccccc}x& 4& 6& 8& 10\\ y& 7.2& 10.8& 14.4& 18\end{array}$
3. 3
   $\begin{array}{ccccc}x& 8& 10& 12& 14\\ y& 10& 12.5& 15& 17.5\end{array}$
4. 4
   $\begin{array}{ccccc}x& 4& 8& 12& 16\\ y& 3& 6& 9& 12\end{array}$
5. 5
   $\begin{array}{ccccc}x& 4& 6& 8& 10\\ y& 6& 9& 12& 15\end{array}$
6. 6
   $\begin{array}{ccccc}x& 3& 6& 9& 12\\ y& 7.5& 15& 22.5& 30\end{array}$

Daniel Math Academy · Grade 7 Math

Answer Key

E.6 Equations for Proportional Relationships · ★★☆ Medium

1. 1$y=1.2x$
2. 2$y=1.8x$
3. 3$y=1.25x$
4. 4$y=0.75x$
5. 5$y=1.5x$
6. 6$y=2.5x$