5. Review Know all of the formulas of variations

6. Algebra II Review Chapter 8

7. Question 1: As y varies directly with x, write an equation when y = 6 when x = 3 1.y = x 2.y = 2x 3.y= 1/2x 4.y = 18/x 5.2y = x 6.Not here

8. Question 1: As y varies directly with x, write an equation when y = 6 when x = 3 1.y = x 2.y = 2x 3.y= 1/2x 4.y = 18/x 5.2y = x 6.Not here

9. Question 2: As y varies inversely with the square of x and y = 1 when x = 2, what is the value of y when x = –4? 1.–2 2.–1/2 3.1/4 4.4 5.16 6.Not here

10. Question 2: As y varies inversely with the square of x and y = 1 when x = 2, what is the value of y when x = –4? 1.–2 2.–1/2 3.1/4 4.4 5.16 6.Not here

11. Question 3: The area A of a triangle varies jointly as the base, B and the height H. If A= 12 when B = 6 and h = 4, find B when A = 36 and H = 8 1.4 2.9 3.6 4.8 5.1/2 6.None given

12. Question 3: The area A of a triangle varies jointly as the base, B and the height H. If A= 12 when B = 6 and h = 4, find B when A = 36 and H = 8 1.4 2.9 3.6 4.8 5.1/2 6.None given

13. Question 4: For which values of x is the expression undefined? 1.–1/3 and 7/2 2.1/3 and –7/2 3.1/3 and 7/2 4.–1/3 and –7/2 5.–5/2 and 7/2 6.Not here

14. Question 4: For which values of x is the expression undefined? 1.–1/3 and 7/2 2.1/3 and –7/2 3.1/3 and 7/2 4.–1/3 and –7/2 5.–5/2 and 7/2 6.Not here

15. Question 5: The area of a rectangle is equal to 3x 2 + 11x – 4. If the length of the rectangle is equal to x + 4, determine its width 1.3x – 1 2.3x + 1 3.3x + 4 4.3x + 4 5.x – 7 6.Not here

16. Question 5: The area of a rectangle is equal to 3x 2 + 11x – 4. If the length of the rectangle is equal to x + 4, determine its width 1.3x – 1 2.3x + 1 3.3x + 4 4.3x + 4 5.x – 7 6.Not here

17. Question 6: Simplify the following, 1. 2.5x 3 y 2 3.5x 7 y 2 4.15x 6 y 3/2 5. 6.Not here

18. Question 6: Simplify the following, 1. 2.5x 3 y 2 3.5x 7 y 2 4.15x 6 y 3/2 5. 6.Not here

19. Question 7: Simplify the following, 1.4/3 2.(x – 4)/(x + 3) 3.(x + 3)/(x + 3) 4.(x + 3)(x + 4) 5.(x + 4)(x – 3) 6.Not here

20. Question 7: Simplify the following, 1.4/3 2.(x – 4)/(x + 3) 3.(x + 3)/(x + 3) 4.(x + 3)(x + 4) 5.(x + 4)(x – 3) 6.Not here Answer Now Countdown 15

21. Question 8: Which of these statements below is NOT a step to add and subtract rational expressions? 1.The common denominator is needed 2.The greatest common factor is taken 3.The factors can be “crossed–cancelled” 4.The factors must be simplified 5.B and C 6.Not here

22. Question 8: Which of these statements below is NOT a step to add and subtract rational expressions? 1.The common denominator is needed 2.The greatest common factor is taken 3.The factors can be “crossed– cancelled” 4.The factors must be simplified 5.B and C 6.Not here Answer Now Countdown 15

23. Question 9: Simplify the following, 1. 2. 3. 4. 5. 6.Not here

24. Question 9: Simplify the following, 1. 2. 3. 4. 5. 6.Not here Answer Now Countdown 15

25. Question 10: Simplify the following 1. 2. 3. 4. 5. 6.Not here

26. Question 10: Simplify the following 1. 2. 3. 4. 5. 6.Not here Answer Now Countdown 15

27. Question 11: Simplify the following 1. 2. 3. 4. 5. 6.Not here

28. Question 11: Simplify the following 1. 2. 3. 4. 5. 6.Not here Answer Now Countdown 15