Question 1(multiple choice worth 5 points) (05.05 hc) the graph shows the distance, y, in your miles, of a moving motorboat from an island for a certain amount of time, x, in hours: a graph titled distance vs time is shown with time in hours labeled on x axis and distance from island in miles labeled on y axis. the scale on the x axis shows the numbers 1, 2, 3, 4, 5, 6, 7, and the scale on the y axis shows the numbers 0, 25, 50, 75, 100, 125, 150, 175, 200, 225. the graph shows a straight line joining the ordered pairs 0, 25, and 1, 75, and 2, 125, and 3, 175, and 4,225. what is the speed of the motorboat? 225 miles per hour 25 miles per hour 75 miles per hour 50 miles per hour question 2(multiple choice worth 5 points) (05.05 lc) a trolley company charges a fixed amount plus a fee based on the distance traveled. the cost chart for the company is shown: cost chart distance traveled (miles) (x) cost (dollars) (y) 0 6 1 10 2 14 what is the fixed amount charged? $4 $6 $10 $12 question 3(multiple choice worth 5 points) (05.03 lc) the equation shows the relationship between x and y: y = 7x + 2 what is the slope of the equation? −7 −5 2 7 question 4(multiple choice worth 5 points) (05.03 mc) shelly sells ice cream bars at the beach. in addition to a fixed salary, she earns a commission for each ice cream bar she sells. the table shows shelly's total earnings, y, from selling x bars of ice cream: ice cream sales and earnings number of bars sold (x) total earnings (dollars) (y) 0 60 1 65 2 70 3 75 which equation best shows the relationship between x and y? y = x + 70 y = 5x + 60 y = 5x + 70 y = x + 60 question 5(multiple choice worth 5 points) (05.06 mc) a truck travels from a factory to a gas station in 3 minutes. it stops at the gas station for 2 minutes. the truck then returns to the factory in 5 minutes. which graph best represents the distance, y, in miles, of the truck from the factory after a certain amount of time, x, in minutes? a graph shows time in minutes along the x-axis and truck’s distance from factory in miles along the y-axis. the scales on the x- and y-axes are from 0 to 10 at increments of 1. there are three straight lines in the graph. the first line joins ordered pair 0, 0 with 2, 3. the second straight line joins 2, 3 and 4, 3, and the third straight line joins ordered pair 4, 3 with the ordered pair 10, 0. a graph shows time in minutes along the x-axis and truck’s distance from factory in miles along the y-axis. the scales on the x- and y-axes are from 0 to 10 at increments of 1. there are three straight lines in the graph. the first line joins ordered pair 0, 0 with 2, 3. the second straight line joins 2, 3 and 5, 3, and the third straight line joins ordered pair 5, 3 with the ordered pair 10, 0. a graph shows time in minutes along the x-axis and truck’s distance from factory in miles along the y-axis. the scales on the x- and y-axes are from 0 to 10 at increments of 1. there are three straight lines in the graph. the first line joins ordered pair 0, 0 with 3, 3. the second straight line joins 3, 3 and 6, 3, and the third straight line joins ordered pair 6, 3 with the ordered pair 10, 0. a graph shows time in minutes along the x-axis and truck’s distance from factory in miles along the y axis. the scales on the x- and y-axes are from 0 to 10 at increments of 1. there are three straight lines in the graph. the first line joins ordered pair 0, 0 with 3, 3. the second straight line joins 3, 3 and 5, 3, and the third straight line joins ordered pair 5, 3 with the ordered pair 10, 0. question 6(multiple choice worth 5 points) (05.01 lc) the graph shows the distance, y, that a car traveled in x hours: a graph is shown with x axis title as time in hours. the title on the y axis is distance traveled in miles. the values on the x axis are from 0 to 5 in increments of 1 for each grid line. the values on the y axis are from 0 to 225 in increments of 45 for each grid line. a line is shown connecting ordered pairs 1, 45 and 2, 90 and 3, 135 and 4, 180. the title of the graph is rate of travel. what is the rate of change for the relationship represented in the graph? 90 45 fraction 1 over 45 fraction 1 over 90