Algebra 1 Online:
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2 Dear Algebra 2 Students, Within this packet you will find mathematical concepts and skills learned in Algebra 1 that are the foundation from which Algebra 2 is built. These concepts need to be reviewed and practiced throughout the summer. The Algebra 2 course has recently undergone course design and curriculum changes making such review work important and essential for your success in Algebra 2. The Algebra 2 prerequisite packet will be due the first day of school. The packet will be graded and will count as a test grade. Your test grade will reflect both your effort (50%), which is based on attempting all problems and showing work for all problems, and accuracy (50%). The Algebra 2 prerequisite packet contains sample examples that have been done out for each concept, followed by Try these problems for you to complete. Below are a few websites you may wish to visit for additional examples and support: Algebra 1 Online: Algebra 2 Online: Algebra Help: Khan Academy: Results from the summer prerequisite work will help guide skill and concept reinforcement lessons that will take place the first few weeks of school Have a nice summer, Lyman Math Department
3 Directions: Show all of your work in order to receive credit. Worked out examples have been provided for you to follow when completing problems. Section 1: Ordering and Comparing Numbers Try these: Graph the number on a number line and then write the numbers in order from least to greatest Section 2: Order of Operations
4 Try these: Evaluate the following expressions using order of operations Section 3: Combining Like Terms Try these: Simplify by combining like terms (x 2) + 5(x + 3) A: Simplifying or Reducing Fractions Section 4: Fractions Try these : Simplify = B: Adding or Subtracting Fractions
5 Try these: Add or subtract as indicated. 10. = C: Multiplying Fractions Try these: Multiply the fractions as indicated and simplify D: Dividing Fractions Try these: Divide the fractions as indicated and simplify =
6 Section 5: Solving Equations Try these: Solve for x Perimeter = 38
7 Section 6: Inequalities Try these: Solve and Graph Section 7: Graphing Try this: 23.
8 Example: Try this: Complete the table of value for the given function and then graph. 24. Try this: State the slope and y-intercept. Sketch the graph. 25. Slope: y-intercept:
9 Try this: Find the x and y intercepts then sketch the graph. 26. x-intercept: y-intercept: Section 8: Writing Equations of Lines Try this: Find the slope between the two given points. 27. (1, -5), (3, 7)
10 Example: Write the equation of the line: Try this: Write the equation of a line with the given information. 28. Example: Write the equation of the line given the point (-3, -7) and slope 2. Try this: Write the equation of the line with the given information. 29. point (2, 3), m = -2 Example: Write the equation of the line given the two points (1, 1) and (5, 9). Try this: Write the equation of the line with the given information. 30. (-2, 1) and (-1, 5)
11 Example: Write the equation of the line parallel to y = 3x + 2 passing through (-1, -2). Try this: Write the equation of the line with the given information. 31. Parallel to y = -3x + 1 through (2, 1) Example: Write the equation of the line perpendicular to y = -1/2 x + 6 through (1, 1). Try this: Write the equation of the line with the given information. 32. Perpendicular to y = ¼ x 5 through (1, 1)
12 Try this: Write the equation of the vertical and horizontal line through the given point and sketch their graphs. 33. Through (-1, 4) Vertical: Horizontal:
13 Section 9: Solving Systems of Equations Solve the System by Graphing: Graph and find the point of intersection. Try this: Solve the system by graphing. 34. Solve the system by Substitution. Try this: Solve by substitution. 35.
14 Solve the system by Elimination. Try this: Solve by elimination. 36. Section 10: Multiplying Polynomials using FOIL Try this: Multiply the binomials 37. (2x + 3)(x + 1) = Try this: Multiply 38.
15 Section 11: Factoring Try this: Factor 39. 3x 4 y 2 6x 3 y x 2 y 2 Try these: Factor 40. x 2 + 4x x 2 27x + 50 _ x 2 64
16 Section 12: Solving Quadratic Functions Try this: Use the quadratic formula to find the solutions. 43. y = x 2 + 2x - 4
17 Section 13: Graphing Quadratic Functions without a Calculator General Form of a Quadratic: y = ax 2 + b x + c
18 Try this: Find the information and sketch the quadratic equation. 44. Section 14: Exponents Try this: 45. Complete the table by raising each value of x to the given power. You will be responsible for knowing the following values without a calculator.
19 Section 15: Absolute Value Equations Example: Solve 8 4 x = x = 12 Write the original equation. 8 4x = 12 or 8 4x = -12 Expression within Absolute Value Symbols can equal 12 or -12-4x = 12 or -4x = - 20 Subtract 8 from each side. x = -1 or x = 5 Divide each side by -4. The solutions are -1 and 5 Try these: Solve the Absolute Value Equations 46. x + 5 = 8 Section 16: Applications 47. The bill for the repair of a car was $420. The cost of parts was $210. If the repair took a total of 3 hours, how much money did the repair shop charge per hour for labor? 48. A new set of tires has a tread depth of 8 millimeters. The tread depth decreases 0.12 millimeters per thousand miles driven. Write an equation that gives the tread depth as a function of the distance driven. Then determine at what distance the tread depth will be 2 millimeters.
20 49. A nut wholesaler sells a mix of peanuts and cashews. The wholesaler charges $2.80 per pound for peanuts and $5.30 per pound for cashews. The mix is to sell for $3.30 per pound. How many points of peanuts and how many pounds of cashews should be used to make 100 pounds of the mix? 50. An adult pass at a carnival costs $2 more than a children s pass. When 378 adult and 214 children's passes were sold, the total revenue was $2384. Find the total cost for a family of two adults and two children.
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