CP Algebra 2 Final Exam Review Name:_________________________Period:_____ 4 𝑦8 1. Simplify ( 𝑧 6 ) 2. Simplify (𝑠 2 𝑡 6 )5 3. Simplify 4𝑥 3 𝑦3 ∙ 𝑦 −4 𝑥 −5 12𝑥 −2 4. Multiply (𝑥 + 7)(𝑥 2 + 𝑥 + 6) 5. Factor completely: 4𝑥 3 − 4𝑥 2 + 16𝑥 6. Factor: 25𝑦 2 − 16 7. Factor completely: 4𝑥 3 − 8𝑥 2 + 3𝑥 − 6 8. Find (4𝑥 4 − 12𝑥 3 − 48𝑥 − 60) ÷ (𝑥 − 4) 9. Find all real zeros of the function 𝑓(𝑥) = 2𝑥 3 − 𝑥 2 − 10𝑥 + 5 10. Find all the zeros of the function 𝑔(𝑥) = 5(3𝑥 + 8)(−4𝑥 − 6)(3𝑥 − 7) 11. Write a polynomial function that has zeros 5, −2, 𝑎𝑛𝑑 2 with a leading coefficient of 1. 12. Find all the zeros of the function 𝑓(𝑥) = 15𝑥 4 − 19𝑥 3 − 9𝑥 2 + 19𝑥 − 6 13. If a student tosses a nickel and a dime, what is the probability of returning a nickel tail and a dime tail? 14. Let 𝑓(𝑥) = 8 − 𝑥 2 and 𝑔(𝑥) = 5 − 2𝑥. What is 𝑓(𝑥) − 𝑔(𝑥)? 2 15. What is the inverse of the function 𝑓(𝑥) = 4𝑥 + 3 ? 16. Solve the equation. Check for extraneous solutions. √𝑥 + 20 = 𝑥 3 17. Solve the equation. Check for extraneous solutions. √𝑥 − 8 = −2 3 18. Solve the equation. Check for extraneous solutions. 3𝑥 4 = 192 19. Solve the equation. Check for extraneous solutions. √𝑥 2 + 5 = 3 − 𝑥 20. Divide (𝑥 2 +10𝑥+21) 𝑥 2 −9 2𝑥−3 21. Simplify (𝑥+3)2 ∙ 7 𝑥+7 ÷ 𝑥−7 𝑥 2 +4𝑥+3 4𝑥 2 −9 6 22. Find 𝑥+2 + 𝑥−2 3𝑥−5 4 23. Simplify 𝑥 2 −25 − 𝑥−5 24. Simplify 9 𝑥−5 6 +7 𝑥 𝑥2 9 25. Solve 𝑥+2 = 𝑥+2 26. Express as a single logarithm: 𝑙𝑜𝑔𝑏 7 + 𝑙𝑜𝑔𝑏 35 27. Expand 𝑙𝑜𝑔𝑎 1 7𝑥𝑦 3 𝑧4 28. Solve 9 = 818𝑥−5 1 1 29. What is 8 (53 ) + 6 (53 ) ? 30. Solve the equation 75𝑙𝑜𝑔9 𝑥 = 62 1 1 31. What is 62 ∙ 65 ? 32. You have 7 t-shirts, 4 pairs of pants, and 8 hats. How many different outfits can you wear? 33. What is the solution of 𝑙𝑜𝑔7 (4𝑥 + 5) = 3 34. What is the solution of ln(8𝑥 − 7) = ln(𝑥 − 14) ? 35. What is the solution of 44𝑥 = 64𝑥+1 ? 36. If 𝑓(𝑥) = 𝑥 2 + 3𝑥 − 1 and 𝑔(𝑥) = 𝑥 + 5, what is 𝑓(𝑔(𝑥))? 5 𝑥5 37. What is the simplified form of √𝑦 35? 1 38. What is the value of −643 ? 39. Factor 𝑥 3 + 27. 7𝑥 −3 −2 40. What is the simplified expression of (5𝑦 −6 ) ?