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Review — Difficulty 1/10

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Algebra I · Systems of linear equations

Review skills for this standard. Write answers where shown.

Together with a parent

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

Written review

1. Solve: 4x + 11 = 23 = ___ 2. Solve: x² − 11x + 6 = 0 = ___ 3. Solve and graph: 7x − 9 > 8 ___ 4. Solve the system: x + y = 14, x − y = 8 ___ 5. Check your solution by substitution: x = ___ 6. Justify one step in your solution in words. ___

_See printable PDF for diagram._

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Skills checklist

  • [ ] Solves linear and quadratic equations
  • [ ] Solves inequalities and graphs solutions

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