Making Predictions Answers

Antonia recorded the number of cups of hot chocolate that were sold at soccer games compared to the outside temperature. The graph below represents her data.Hot Chocolate SalesFor which temperature would the prediction of the number of cups sold be an interpolation?

The equation y = 0.625x – 2.7 can be used to predict the number of minutes, y, it takes Kahlil to check x emails. On Monday, Kahlil spent 25 minutes checking emails. On Tuesday, he checked 35 emails. Which is an accurate comparison?

The scatterplot and trend line below represent the amount of money earned after completing x chores. If Jamie completed 5 chores, about how much money did she earn?

For the data that are shown on the graph below, within which range of x values can interpolation occur?

The graph below compares plant height to the age of the plant, in weeks. Based on the graph, which is the best prediction of the height of the plant at 5 weeks?

A store manager records the number of people who have been in his store compared to the number of hours the store has been open. He graphs the data on the scatterplot below and sketches a trend line. Store CustomersBased on the data collected, if the store has been open 7 hours, which scenario is most likely to be true?

For the data that are shown on the graph below, which best describes within which range of x-values extrapolation occurs?

The graph below shows the relationship between the number of chores that Larissa completes and the amount of money that she earns. Which is the best prediction of the number of chores completed if she earns $5?

A store owner recorded the total number of customers that visited his store at the end of each hour that the store was open. He created the scatterplot, trend line, and equation below based on the data. Store CustomersAssuming that the trend continues, which is the best estimate for the number of hours that the store will have been open when the total customer count is 310?

Carina records the height of a candle after x hours burning. Her data are shown in the graph below. Burning CandleWhich is the best estimate for the height of the candle after 1 hour?