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Algebra P1 Name: Test Prep 10 HW#35 Make a table of values for each equation, then plot the points on the graph. y 2x 3 1) x -2 -1 0 1 2 2) Show work here y x -2 -1 0 1 2 y 3 x 1 Show work here y 3) Scale the graph to fit the data in the table and then plot the points. Do not connect the points. x -20 -10 0 10 20 y 120 5 -75 100 -40 4) Complete the table and plot the points on the graph provided then scale your axis to fit the points. y 2 x 2 10 x -2 -1 0 1 2 Show work here y 5) Michael had test scores of 95, 91, 81, 78, 81 and 90. Find his average test score. 6) A group of holiday shoppers were all crammed into an elevator together. Their ages are listed: 28, 21, 16, 22, 28, 34, 22, 28, 19, 18 a) Find the mean, median, mode and range of their ages. b) At the last minute one more person gets on the elevator. If the person is 78 years old, how will that affect the mean, median, mode and range? 7) Becky works downtown and parks her car in different lots. The table shows her parking costs per day for a two week period. Park cost per day Frequency a) Find the mean, median, and mode of the data. $15 2 $18 5 $20 3 b) If on Sunday she goes to work and gets free parking, how will that affect the mean? Solve each equation. 8) 4x x 7 2 3 9) 2( x 4) 6 5 x 1 Solve each percent problem. Round answers to the hundredth. 10) 40 is what percent of 85? 11) 29% of what number is 50? 12) A tablet that costs $199 is on sale for 20% off. What would be the sale price of the tablet after you pay tax at 9%?