Unit 1 Test Review Answers

Solving Equations

Solving Inequalities

Graphing Linear Equations

Graphing Linear Equations 3)

Graphing Linear Equations

Graphing Inequalities 11)

Graphing Inequalities 12)

Graphing Inequalities 13)

Graphing Inequalities 14)

Graphing Inequalities 15)

Graphing Inequalities 16)

Graphing Inequalities 17)

Graphing Inequalities 18)

Graphing Inequalities 19)

Graphing Inequalities 20)

Algebraic Models 21) 6x + 10y = 366 if y = 15, x =36 22) 0.05x + 0.07y < 400 if x = 5000, y=2142.85

Properties of Exponents 13. 64 15625 14. 64 343 15. 𝑥 4 𝑦 4 16. 4 𝑥 2 𝑦 17. 7𝑥 𝑦 4 𝑧 18. 27 𝑥 3 64 𝑥 3 19. 9𝑦 𝑥 5 1024 21. 8 𝑥 9 𝑦 22. 3 𝑥 2 𝑦 3 1. 4096 2. 𝑥 16 3. 27 𝑥 3 𝑦 9 𝑧 4. 16 𝑥 4 𝑦 5 5. 2916 𝑥 11 6. 4 𝑥 4 𝑦 4 𝑧 8 7. Cannot be simplified. 8. 0.0001 𝑥 4 𝑦 4 9. 𝑥 6 𝑦 6 𝑧 6 10. 2 𝑥 6 −2 𝑥 4 𝑦 2 11. Cannot be simplified. 12. 3 𝑥 10 −3 𝑥 8 𝑦 4

Properties of Exponents 23. 𝑥 20 𝑦 15 24. 25 𝑥 7 𝑦 14 25. 𝑥 2 𝑦 6 26. 𝑥 6 𝑦 12 27. 144 𝑥 6 𝑦 8 28. 250 𝑥 9 𝑦 8 29. 27 𝑥 11 𝑦 15 𝑧 7 30. 𝑥 8 16 𝑦 12 31. 32𝑥 𝑦 6 32. 64 𝑤 3 𝑦 9 𝑥 6 𝑧 12 33. 𝑎 2 𝑏 2 𝑐 4 𝑑 2 34. 1− 1 𝑥 2 35. 𝑚 6 + 𝑚 5 −5 𝑚 2 36. 1 𝑥𝑦 37. 𝑥 36 𝑦 16 38. 𝑦 20 𝑥 24 39. 𝑦 2 3 𝑥 5 40. 1 41. 𝑥 2 𝑦 9