Algebra 1 Exam Review Starting with Chapter 6 1. A television production company charges a basic fee of $4000 and then $2000 per hour when filming a commercial. a. Write an equation in slopeintercept form relating the basic fee and per-hour charge. b. Graph your equation. c. Use your graph to find the production costs if 4 hours of filming were needed. 2. Find the x and y intercepts of -2x + 3y = 6 3. Write an equation in point-slope form for the line through the given point with the given slope. (-2, 3); m = -1 (5, -3); m = -2 4. Is the relationship shown by the data linear? If it is, model the data with an equation. 5. Write an equation for the line that is parallel to the given line, -7x - 3y = 3, and that passes through the given point, (9, -7). Tell whether the lines for the pair of equations are parallel, perpendicular, or neither. 3x + 2y = -5 y= 2/3 x+6 6. Explain how the equation changed by translating the parent function y = |x|. y = |x|+ 4 y = |x – 2| 7. Solve each system of equations by graphing: 2x + y = 6 3y = -6x + 9 8. Solve each system of equations by graphing: y=x x = 2y + 2 9. Solve each system of equations by substitution: 2x + 4y = -6 x – 3y = 7 10.Graph each linear inequality. 6x - 4y < -16 -5x + 4y > -24 11. Solve each system of inequalities by graphing. -5x + y > -2 -x + 3y >12 4x + y < 1 y > -x + 4 12. The length of a rectangle is 5 more than twice its width. If the perimeter is 34 inches, find the dimensions of the rectangle. 13. A grandmother wants to spend at least $40 but no more than $60 on school clothes for her grandson. T-shirts sell for $10 and pants sell for $20. How many T-shirts and pants could she buy? a. Write a system of two inequalities that describes this situation. b. Graph the system to show all possible solutions. c. Write two possible solutions to the problem. 14. Simplify the expression: 8a-3b2c-2 15. Simplify the expression: (3y)4 16. Explain the difference between –x4 and (-x)4 17. Write the following expression in standard notation: 4.155 x 107 18. Write the following expression in standard notation: 9.407 x 10-5 19. Write the following expression in scientific notation: 0.000005008 20. Write the following expression in scientific notation: 975,000,000,000 21. Simplify and write the following expression in scientific notation: (4 x 109)(8 x 106) 22. Simplify: 23. Simplify: 24. Simplify: (2a3b-4)-2(a-3b-5)4 25. Mrs. McGrath just stocked her pond with 18 fish. If the number of fish doubles every three months, how many fish will be in her pond after two years? 26. Simplify the sum: (y3 + y2 – 2) + (y – 6y2) 27.Simplify the difference: (x2 – 8x – 3) – (x3 + 8x2 – 8) 28. Simplify the product: 4d2(d2 – 3d – 7) 29.Find the gcf of the terms of the polynomial: 4n4 + 6n3 + 8n2 30. Simplify the product: (3x + 1)(4x2 – 2x + 1) 31. Factor the expression: p2 – 10pq + 16q2 32. Factor the expression: d2 + 12d + 36 33. Factor the expression: f2 – 121 34. Factor the expression: 5x2 – 33x – 14 35. Factor the expression: 5y2 – 22y + 8 36. Factor by grouping: x2y – 3x2 – 2y + 6 37. Solve by factoring: x2 + 8x – 65 = 0 38. Graph the function: y < x2 + x – 6 x x2 + x – 6 y 39. Solve by graphing the function: F(x) = x2 + 3 = 12 x y 40. Solve by using square roots: x2 – 45 = 19 41. Solve by using square roots: x2 + 30 = 5 42. Solve the equation by using the zero-product property: 5x(3x – 1)(x + 6) = 0 43. Write the functions in order from most narrow to the widest: y = -x2 y = 7x2 y = ⅛x2 y = -⅚ x2 y = -3x2 44. Simplify: 45. Simplify: 46.Simplify: 47. Simplify: 48. Simplify: 49. Simplify: