Worksheets — Set 3

Algebra I · Honors · Linear equations, inequalities, and systems

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

Warm-up

1. Solve: 2x + 9 = 21 = ___ 2. Solve: x² − 9x + 7 = 0 = ___ 3. Solve and graph: 5x − 7 > 6 ___

_See printable PDF for diagram._

Written practice

1. Solve: 5x + 8 = 20 = ___ 2. Solve: x² − 8x + 6 = 0 = ___ 3. Solve and graph: 4x − 6 > 5 ___ 4. Solve the system: x + y = 11, x − y = 5 ___ 5. Check your solution by substitution: x = ___ 6. Justify one step in your solution in words. ___ 7. Solve: 4x + 11 = 23 = ___ 8. Solve: x² − 11x + 6 = 0 = ___

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More written practice

1. Solve and graph: 7x − 9 > 8 ___ 2. Solve the system: x + y = 14, x − y = 8 ___ 3. Solve: 3x + 14 = 26 = ___ 4. Solve: x² − 14x + 6 = 0 = ___ 5. Solve and graph: 10x − 12 > 11 ___ 6. Solve the system: x + y = 17, x − y = 11 ___

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Patterns and rules

1. Solve: 2x + 25 = 37 = ___ 2. Solve: x² − 25x + 8 = 0 = ___ 3. Solve and graph: 21x − 23 > 22 ___

_See printable PDF for diagram._

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Parent tip: Do the same operation to both sides