Slope Answers

You brake your car from a speed of 55 mph. The table shows data that represent your car's speed versus the amount of time elapsed from the moment that you began to brake. Elapsed Time (seconds) Speed (mph) 1 47 2 39 3 31 4 23 5 23 6 23 Evaluate the following graph based on the data in the table. For what interval of time is the speed increasing? For what interval of time is the speed decreasing? For what interval of time is the speed constant? a. None 0 to 4 seconds 4 to 6 seconds c. None 0 to 5 seconds 5 to 6 seconds b. 0 to 5 seconds None 5 to 6 seconds d. 0 to 4 seconds None 4 to 6 seconds Please select the best answer from the choices provided

Your cellular phone contract calls for a flat monthly service charge of $10.95 plus $0.12 per minute for calls within a certain area to which you limit your calls. The table shows some cost data for your use of the phone.Number of MinutesMonthly Cost (dollars)10022.9512025.3514027.7516030.15Does the data represent a linear function? Why or why not?a.No, the average rate of change is not constantc.There is not enough information to determine if this is a linear function.b.Yes, the average rate of change is constant.d.No, this is not a linear function.

Solve the problem. If a roof has a pitch of 5 to 11, how high will the roof rise over a 33-foot run? a. feet c. feet b. 15 feet d. 20 feet Please select the best answer from the choices provided

Four years ago, you started a job with an annual salary of $40,000. At the end of each year on the job, you received a raise of 4.8%. The table shows your salary after each of your four annual raises.Number of YearsAnnual Salary 1$41,920.002$43,932.163$46,040.904$48,250.87Does the data represent a linear function? Why or why not?a.No, it does not appear on a straight line.c.Yes, the average rate of change is constant.b.Yes, it appears on a straight line. d.There is not enough information to determine whether this is a linear function.

You brake your car from a speed of 55 mph, and in doing so, your car's speed decreases by 10 mph every second. The table shows braking data that represent your car's speed versus the amount of time elapsed from the moment that you applied the brake.Elapsed Time (seconds)Speed (mph)145235325415Does the data represent a linear function? Why or why not?a.Yes, the average rate of change is constant.c.There is not enough information to determine whether this is a linear function.b.No, the average rate of change is not constant. d.No, this is not a linear equation.

Find the slope of the line. a. c. b. 7 d. 1 Please select the best answer from the choices provided

Determine any data values that are missing from the table, assuming that the data represent a linear function.xy-1203 42 a.Missing x:1Missing y:2c.Missing x:1Missing y:6b.Missing x:1Missing y:5d.Missing x:2Missing y:5

Determine any data values that are missing from the table, assuming that the data represent a linear function.xy-15072 a.5c.13b.9d.11

You get internet service for a flat rate of $ 16.95 per month regardless of the number of minutes that you spend online. The table shows an example of some cost data.Number of Minutes2000220024002600Monthly Cost (dollars)16.9516.9516.9516.95Does the data represent a linear function? Why or why not?a.No, the average rate of change is not constant.c.Yes, the average rate of change is constant.b.No, there is no slope.d.There is not enough information to determine if this is a linear function.

Four years ago, you invested $1000 in an account that returns 5.1% annually. The table shows the value of your investment at the end of each year.Time (in years)Value (in dollars)1$1051.002$1104.603$1160.944$1220.14Does the data represent a linear function? Why or why not?a.Yes, it appears on a straight line. c.Yes, the average rate of change is constant.b.No, it does not appear on a straight line.d.There is not enough information to determine whether this is a linear function.