MCAS 1998, 8th Grade Math, Questions 25 to 28

Question #25 (Short-Answer Question)

The swing set in Garvey Park is going to be moved from the place shown on the map to a new location. One corner of the set will be at (3,7) and another corner will be at (6,5). Write the coordinates of the points where the other two corners will be.

Question #26 (Short-Answer Question)

Question #27 (Open-Response Question)

• His brother Luis says that Chris has spent exactly 2/3 of the birthday money.
• His sister Jessie says that he has spent exactly 0.75 of the money.
• His other sister Mary says that he has spent exactly 80% of the money.

Chris wonders who is correct.

For each of the three–Luis, Jessie, and Mary–tell whether he or she is correct or incorrect.
Explain your reasoning.

Question #28 (Open-Response Question)

The members of the Bike Club rode from the city to their camp. Sean kept track of how far they had traveled throughout the day and made this graph.

Write a brief story about their trip that accounts for all the changes shown in the graph. Include just enough detail about the different speeds and activities to account for the changes. Be sure to identify the time of each event in your story.