ACP Algebra 2 Final Exam Review 1. Write in standard form −5𝑥 3 (−4𝑥 3 + 2𝑥 2 − 4𝑥 + 7) 2. Factor. 4𝑥 4 − 48𝑥 3 + 128𝑥 2 𝑥 3 + 3𝑥 2 − 28𝑥 3. What are the zeros? What are their multiplicities? 𝑓(𝑥) = 𝑥 5 − 7𝑥 4 + 6𝑥 3 𝑓(𝑥) = 𝑥 4 − 10𝑥 3 + 25𝑥 2 4. What are the real or imaginary solutions? 𝑥 4 − 16𝑥 2 = 225 5. Divide. (3𝑥 4 + 𝑥 3 − 6𝑥 2 − 9𝑥 + 12) ÷ (𝑥 + 1) 𝑥 4 − 45𝑥 2 + 324 = 0 (12𝑥 3 − 71𝑥 2 + 57𝑥 − 10) ÷ (𝑥 − 5) 6. Is (𝑥 − 3) a factor of 𝑃(𝑥) = 6𝑥 3 − 17𝑥 2 − 4𝑥 + 3? If yes, write 𝑃(𝑥) as a product of 2 factors. 7. Multiply and simplify. √10 ∙ √8 3 3 √10 ∙ √5 √2𝑦(√𝑦 − 4√2 3 3 8. Simplify. √12𝑥 3 𝑦 4 𝑧 5 3 √16 3 √2 √24𝑥 4 𝑦 6 5 3 √5𝑥 8 ∙ √6𝑥 9 5 5√7𝑥 + 9√7𝑥 7√3𝑥 − 10√3𝑥 √12 + √18 − √20 9. (3 − √5)(4 + √5) 1 (7 − √3)(7 + √3) 2 303 ∙ 303 2 10. Write in radical form 4𝑦 3 . 11. If you invest $3000 at an annual interest rate of 6.25%. How much will you have after 6 years? 12. Write in log form. 43 = 64 34 = 81 13. Write in exponential form. log 5 25 = 2 1 log 10 = −1 14. Evaluate log 2 64 15. Write as a single log. 4log 𝑥 𝑤 + 3log 𝑥 𝑦 5log 3 𝑥 + 4log 3 𝑦 16. Expand the log. 𝑥 log 𝑎 𝑥𝑦 log 4 5 17. Use Change of Base to evaluate: log 6 50 = log 3 243 = 18. Solve 102𝑥 = 32 log(2𝑥 + 50) = 3 19. 𝑦 varies directly with x and inversely with z and 𝑦 = 35, 𝑥 = 40, 𝑧 = 5. Write an equation that models this information. Then find 𝑦 when 𝑥 = 24 and 𝑧 = 6. 6 20. Write an equation for the translation of 𝑦 = 𝑥 with asymptotes 𝑥 = −3 and 𝑦 = 5. 21. Name the vertical asymptotes and holes if they exist. 𝑦= (𝑥 − 2)(𝑥 + 4) (𝑥 + 6)(𝑥 − 2) 22. Simplify. 𝑡 2 − 𝑡 − 30 𝑡 2 − 7𝑡 + 6 23. 𝑡 2 + 14𝑡 + 48 𝑡+6 24. Find the product and state the restrictions. 𝑥 2 𝑥 2 + 5𝑥 + 6 ∙ 𝑥+2 𝑥 2 + 3𝑥 25. Find the quotient and state the restrictions. 𝑎+3 𝑎+1 ÷ 2 𝑎 − 10 𝑎 − 7𝑎 − 30 26. Find the sum or difference. 6 5 + 2 𝑥 + 4 𝑥 − 16 𝑛2 − 10𝑛 + 24 9 − 𝑛2 − 13𝑛 + 42 𝑛 − 7 27. Simplify. 2 1 − 3𝑥 2𝑦 5 3 + 12𝑦 2𝑥 28. Solve. 3 5 + =7 𝑥 2𝑥 29. Write the equation of a circle with center (−4, 5) and radius = 6. 30. Write the equation of a circle 𝑥 2 + 𝑦 2 = 25 translated 2 units right and 3 units down. 31. What is the center and radius of the following circles. (𝑥 − 6)2 + (𝑦 − 7)2 = 4 𝑥 2 + 𝑦 2 + 14𝑥 − 12𝑦 = −69 33. Write the equation of an ellipse with a center at the origin, co-vertex (−4, 0) and vertex (0, −6). 35. Graph. (𝑥 − 5)2 + (𝑦 + 3)2 = 9 𝑦= 3 +4 𝑥−2 𝑥2 𝑦2 + =1 25 16 𝑥2 𝑦2 − =1 16 25 𝑥2 + 𝑦2 = 4