4/14, Tues., GF HW Les. 9.2.2 P2

Last updated over 5 years ago
5 questions
Note from the author:
CPM Lesson 9.2.2
These questions are your homework for Part 2 of Les. 9.2.2. After you submit your answers, check to see how you did and make corrections for any you had incorrect.
1

Lydia has four straws of different lengths, and she is trying to form a right triangle. The lengths are 8, 9, 15, and 17 units. Which three lengths should she use?

1

Why did you choose the three lengths you chose for question 1?

1

The Wild West Frontier Park now offers an unlimited day pass. For $29.00, visitors can go on as many rides as they want. The original plan charged visitors $8.75 to enter the park, plus $2.25 for each ride. How many rides would make the total cost equal for teh two plans?
Let y = total money
Let x = number of rides
Write the equation, in y = mx + b form, for the new plan they are now offering. Do not use $ in your equation.

1

The Wild West Frontier Park now offers an unlimited day pass. For $29.00, visitors can go on as many rides as they want. The original plan charged visitors $8.75 to enter the park, plus $2.25 for each ride. How many rides would make the total cost equal for teh two plans?
Let y = total money
Let x = number of rides
Write the equation, in y = mx + b form, for the original plan they are now offering. Do not use $ in your equation.

1

Solve the system of equations to find how many rides it will take for the two plans to cost the same.
29 = 2.25r + 8.75
Write the number of rides for your answer.