Worksheets — Set 9

Algebra I · Graphing linear functions

Print and write your answers. Use diagrams to show thinking.

Warm-up

1. Define variables for: a rectangle with perimeter 40. Write an equation. ___ 2. Write an inequality: at most 60 dollars spent. ___ 3. Revenue R = 15x. When is R > 200?

_See printable PDF for diagram._

Written practice

1. Define variables for: a rectangle with perimeter 38. Write an equation. ___ 2. Write an inequality: at most 59 dollars spent. ___ 3. Revenue R = 14x. When is R > 190? 4. Interpret the solution x = 13 in your context. 5. Is a negative solution reasonable? Explain. 6. Create a modeling equation for Graphing linear functions. 7. Define variables for: a rectangle with perimeter 44. Write an equation. ___ 8. Write an inequality: at most 62 dollars spent. ___

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More written practice

1. Revenue R = 17x. When is R > 220? 2. Interpret the solution x = 16 in your context. 3. Define variables for: a rectangle with perimeter 50. Write an equation. ___ 4. Write an inequality: at most 65 dollars spent. ___ 5. Revenue R = 20x. When is R > 250? 6. Interpret the solution x = 19 in your context.

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Patterns and rules

1. Define variables for: a rectangle with perimeter 72. Write an equation. ___ 2. Write an inequality: at most 76 dollars spent. ___ 3. Revenue R = 31x. When is R > 360?

_See printable PDF for diagram._

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Parent tip: Define variables clearly in words