a 2 3 b 6 c 3 2 d 15 11 Solve the system 2 5 11 5 3 a 5 2 5 3 b 14 11 1 2 c 8 3

A 2 3 b 6 c 3 2 d 15 11 solve the system 2 5 11 5 3 a

This preview shows page 3 - 8 out of 8 pages.

a. 2 3 b. 6 c. 3 2 d. 15 11. Solve the system. 2? + 5? = 11 ? − 5? = −3 a. ? = 5 2 , ? = − 5 3 b. ? = 14 11 , ? = 1 2 c. ? = 8 3 , ? = 17 15 d. ? = 4 7 , ? = 2 3
Image of page 3

Subscribe to view the full document.

12. Determine the number of solutions to 3? − 5? = 8 and −9? + 15? = −24 . a. One solution b. Two solutions c. Infinite solutions d. No solutions 13. ? 7 =? a. (? + ?) 7 − ? 7 b. ? 4 + ? 3 c. (? 3 ) 4 d. (? 4 ?) 2 ?? 2 14. Multiply the polynomials (? 2 + ? + 1)(? − 1) . a. ? 3 − 1 b. ? 2 − ? c. ? 3 + 2? 2 + 2? − 1 d. ? 3 + ? 2 + ? − 1 15. Factor completely 18? 5 − 24? 3 . a. 18?(? 5 − 3) b. 6? 3 (3? 2 − 4) c. 6? 5 (3 − 4) d. ?(3? 2 − 4) 16. Factor ? 2 + 8? + 15 . a. (? + 3)(? + 5) b. (? − 3)(? − 5) c. (? + 9)(? + 6) d. (? − 2)(? + 6)
Image of page 4
17. Factor completely 5? 3 − 15? 2 − 50? . a. 5?(? − 2)(? + 5) b. 5?(? + 2)(? + 5) c. 5?(? + 2)(? − 5) d. 5?(? − 2)(? − 5) 18. Solve (? + 3)(? − 3) = 7 . a. ? = 1, −1 b. ? = 2, −2 c. ? = 3, −3 d. ? = 4, −4 19. Solve ? − 1 = √? + 11 . a. ? = −2, 5 b. ? = 2, −5 c. ? = 5 d. ? = −5 20. Solve 12? 2 − ? − 6 = 0 . a. ? = 2 3 , − 3 4 b. ? = − 2 3 , 3 4 c. ? = 1 2 , − 5 6 d. ? = − 3 5 , 1 4 21. Solve (? + 1)(? − 2) = ? . a. ? = −1, 2 b. ? = 1, −2 c. ? = 1 ± √3 d. ? = 1 ± √6
Image of page 5

Subscribe to view the full document.

22. What is the equation of the parabola graphed below? a. ? 2 + 1 b. ? 2 + 2? + 1 c. ? 2 − 1 d. ? 2 − 2? + 1 23. Find the value of ? for which the graph of ? = 5? 2 − 25? + 15 achieve s it’s minimum ? value. a. ? = − 5 2 b. ? = 2 5 c. ? = 3 2 d. ? = 5 2 24. Divide and simplify ? 2 −9 ?−3 ÷ ? 2 +5?+6 2?+4 a. 2 b. (?+3) 𝟐 2 c. 1 2 d. 0 1
Image of page 6
25. Add and simplify ?? 2 ?? + ? 2 ? ?? a. ? 2 ? 3 b. ?? 2 +? 2 ? ??+?? c. ?? 3 +? 3 ? ??? d. ?? 2 +? 3 ??
Image of page 7

Subscribe to view the full document.