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Daniel Math Academy · Grade 8 Math

Write a Linear Function from a Table

Skill T.4 · Functions · ★★☆ Medium · Quarter 3

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Write a linear function y = mx + b for each table.

1. 1
   $\begin{array}{ccccc}x& -3& -1& 2& 5\\ y& 1& -5& -14& -23\end{array}$
2. 2
   $\begin{array}{ccccc}x& -1& 1& 2& 4\\ y& -5& -1& 1& 5\end{array}$
3. 3
   $\begin{array}{ccccc}x& 1& 3& 4& 7\\ y& 1& -3& -5& -11\end{array}$
4. 4
   $\begin{array}{ccccc}x& -3& -1& 2& 4\\ y& 19& 7& -11& -23\end{array}$
5. 5
   $\begin{array}{ccccc}x& 2& 3& 4& 7\\ y& 17& 21& 25& 37\end{array}$
6. 6
   $\begin{array}{ccccc}x& -3& -2& -1& 1\\ y& 3& 1& -1& -5\end{array}$

Daniel Math Academy · Grade 8 Math

Answer Key

T.4 Write a Linear Function from a Table · ★★☆ Medium

1. 1$y=-3x-8$
2. 2$y=2x-3$
3. 3$y=-2x+3$
4. 4$y=-6x+1$
5. 5$y=4x+9$
6. 6$y=-2x-3$