2. College Algebra Practice Test 1 This review should prepare you for the first test in College Algebra. Read the question, work out the answer, then check yourself by clicking the mouse to see if you’re right.

3. 1.Evaluate: 3+7[13-(6+2)] 38

4. 2. Simplify : (4x 2 + 6) - (5x 2 -x) -x 2 + x + 6

5. 3.Simplify: (7x 3 - 2x 2 +3) + (x 2 - x - 5) 7x 3 - x 2 - x - 2

6. 4. Simplify (3x -1 /y -2 ) 0 1, anything to the zero power is 1

7. 5. Simplify: (3y 4 )(2y) 3 24y 7

8. 6. Simplify: 18x 3 y 4 24x -3 y -6 3/4 x 6 y 10

9. 7.Simplify: 3/8(16y-8) + 2/3(15y + 12) 16y+5

10. 8. Is pi a rational or irrational number? irrational

11. 9. What are the set of integers? {…-2, -1, 0, 1, 2 …}

12. 10. Multiply: (5x - 4) 2 25x 2 - 40x + 16

13. 11. Multiply (x +4)(x 2 - 4) X 3 + 4x 2 - 4x -16

14. 12.Multiply : 4x(3x-4)(2y+5) 24x 2 y + 60x 2 - 32xy - 80x

15. 13. Evaluate: (n - v) 2 + 3v 3 if n = 5 and v= -2 25

16. 14. 5(3x + 2y) - 4(6y - x) 19x - 14y

17. 15. What is the GCF of the following: 18xy, 27x 2 ? 9x

18. 16. Factor: 5x 2 - 125 5(x+5)(x-5)

19. 17. Factor: x 2 + 8x + 15 (x + 5)(x + 3)

20. 18. Factor: 6x 2 + 12x 6x(x+2)

21. 19.Factor: 15x + 10 - 6x 3 -4x 2 (5 - 2x 2 )(3x + 2)

22. 20.Factor: 2xy-10x+y-5 (2x + 1)(y - 5)

23. 21.Factor: 8x 3 -10x 2 -12x 2x(4x+3)(x-2), don’t forget to pull what’s in common out first

24. 22.Factor: 4x 2 - 6x + 2 2(2x-1)(x-1)

25. 23.Factor: 7y 2 - 32y - 15 (7y+3)(y - 5)

26. 24. Factor: p 3 - 4yp 2 + 4py 2 p(p – 2y)(p – 2y)

27. 25. Factor: 27x 3 - 1 (3x - 1)(9x 2 + 3x + 1)

28. 26. Evaluate the expression if x=-3, y=-4, and z=2: 2|x|-3y ² -3(z-x)² 14/25

29. 27.The surface area of a cone, S, is given by S= πr √ r²+h², where h is the height of the con and r is the radius of the base of the cone. Find S when r=2.3 and h is 7. Approximately 53.2

30. 28. x ²-x-6 ÷ x ²-9 x ²-2x-8 x ²+7x+12 X+4 x-4

31. 29. 2x + x x ²-1 x²-3x+2 3x (x+1)(x-2)

32. THE END!!