# Lesson 7 More or Less Practice Understanding

Substitute the given value of

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Use the given value to find the value of the variable that is not provided.

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#### a.

Graph

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Can you name

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What is different about this system and most of the others you have seen so far in this unit?

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How could you change the inequalities so that there would be points that satisfy the system?

### 11.

Use the graph of the system of inequalities to determine which of the points listed would be solutions to the system. Select all that apply.

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### 12.

When working with systems of inequalities are points that lie on dotted lines solutions?

Graph each inequality.