Solving Polynomial Equations using Technology — Unit test Answers
What are the roots of the polynomial equation ? Use a graphing calculator and a system of equations.
Which graph shows the solution set of ?
The formula relates the time, T, in seconds for a pendulum with the length, L, in feet, to make one full swing back and forth. What is the length of a pendulum that makes one full swing in 2.2 seconds? Use 3.14 for .
You can use a system of equations to graph and solve the polynomial equation . Which statement is true?
Haji rows his canoe 10 mph in still water. He noticed one day that he could row 4 miles upstream in the same amount of time he could row 6 miles downstream. What was the approximate speed of the current that day?
What is the solution of ?
A rectangular prism with a volume of 400 cubic centimeters has the dimensions x + 1 centimeters, 2x centimeters, and x + 6 centimeters. The equation can be used to find x. What is the length of the longest side? Use a graphing calculator and a system of equations to find the answer.
Randy and Trey take turns cleaning offices on the weekends. It takes Randy at most 4 hours to clean the offices. It takes Trey at most 6 hours to clean the offices. What is the greatest amount of time it would take them to clean the offices together?
What are the roots of the polynomial equation ? Use a graphing calculator and a system of equations.
What is the solution to the equation ?
Which solution to the equation is extraneous?
What is the solution of ?
The mean sustained wind velocity, v, can be determined by the equation , where p is the air pressure, in millibars, at the center of the hurricane. What is the approximate air pressure at the center of a hurricane when the mean sustained wind velocity is 64 meters per second?
What is the solution of ?
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