shake, rattle, and roll task · web viewshake, rattle, and roll task subject mathematics last...

Name_____________________________________ Date_____________________ A seismometer is an instrument that responds to ground motions, such as caused by earthquakes, volcanic eruptions, and explosions. Seismometers are usually combined with a timing device and a recording device to form a seismograph. After an earthquake, you are given seismograph readings from three locations in Virginia. Your job as a scientist is to determine where the epicenter of the earthquake is located. Near Tappahannock at A (2,1), the epicenter is 5 units away. Near Farmville at B (-2, -2), the epicenter is 6 units away. In Near Harrisonburg at C (-6, 4), the epicenter is 4 units away. Could a person living in Norfolk, VA feel the effects of the earthquake? Mathematically, justify your answer and provide a labeled diagram which models the problem and shows all variables to which you will refer. Desmos graphing calculator link 1. What are the coordinates of the epicenter? Virginia Department of Education Copyright ©2019 by the Commonwealth of Virginia, Department of Education, P.O. Box 2120, Richmond, Virginia 23218-2120. All rights reserved. Except as permitted by law, this material may not be reproduced or used in any form or by any means, electronic or mechanical, including photocopying or recording, or by any information storage or retrieval system, without written permission from the copyright owner. Commonwealth of Virginia public school educators may reproduce any portion of these items for non- commercial educational purposes without requesting permission. All others should direct their written requests to the Virginia Department of Education at the above address or by e-mail to [email protected]

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Page 1: Shake, Rattle, and Roll Task · Web viewShake, Rattle, and Roll Task Subject mathematics Last modified by Williams, Kristin (DOE)

Name_____________________________________ Date_____________________

A seismometer is an instrument that responds to ground motions, such as caused by earthquakes, volcanic eruptions, and explosions. Seismometers are usually combined with a timing device and a recording device to form a seismograph. After an earthquake, you are given seismograph readings from three locations in Virginia. Your job as a scientist is to determine where the epicenter of the earthquake is located.

Near Tappahannock at A (2,1), the epicenter is 5 units away. Near Farmville at B (-2, -2), the epicenter is 6 units away. In Near Harrisonburg at C (-6, 4), the epicenter is 4 units away.

Could a person living in Norfolk, VA feel the effects of the earthquake? Mathematically, justify your answer and provide a labeled diagram which models the problem and shows all variables to which you will refer.

Desmos graphing calculator link

1. What are the coordinates of the epicenter?

Virginia Department of EducationCopyright ©2019 by the Commonwealth of Virginia, Department of Education, P.O. Box 2120, Richmond, Virginia 23218-2120. All rights reserved. Except as permitted by law, this material may not be reproduced or used in any form or by any means, electronic or mechanical, including photocopying or recording, or by any information storage or retrieval system, without written permission from the copyright owner. Commonwealth of Virginia public school educators may reproduce any portion of these items for non-commercial educational purposes without requesting permission. All others should direct their written requests to the Virginia Department of Education at the above address or by e-mail to [email protected]

https://www.desmos.com/calculator/mfupddd8w4