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# Rate of change project

## on May 31, 2011

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Math Project

Math Project

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## Rate of change projectPresentation Transcript

• Rate Of ChangeBy Corey Gibson
• Explaining Rate Of Change
• Example 1
• Example 2
• Rate of change• If Jesse has 150 Dollars in his account on Monday. Wednesday he had 175 Dollars. what is the increase in money in those 2 days. M=Y1-Y2/ X1-X2 150.-175./ 0-2 -25/-2= \$12.5 per day
• • Jeremy had 50 dollars when he walked into the store. He came out of the store an hour later with 25 dollars. what is the rate of change. M=Y1-Y2/ X1-X2 50-25/ 0-60 25/-60=-2.4 -2.40 dollars per minute
• • In June gas prices were \$2.20. In September Gas prices were \$3.75. What is the rate of change. M=Y1-Y2/ X1-X2\$2.20-\$3.75/ 6-9-1.55/ -3=5.17 0.52 dollars per month
• • A dog has seven bones on Monday. By Thursday he only has three what is the rate of change in the last four days.M=Y1-Y2/ X1-X2 7-3/ 0-3 4/-3 -1.33 bones per day
• • Bobby had 3 friends in September. by December he had 25 friends. what is the rate of change. M=Y1-Y2/ X1-X2 3-25/ 9-12 -22/ -37.33 friends per month