2.3 Real World Applications
Presentation
•
Mathematics
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9th - 10th Grade
•
Practice Problem
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Hard
Standards-aligned
Alivia Davids
Used 5+ times
FREE Resource
9 Slides • 8 Questions
1
2.3 Real World Applications
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3
Multiple Choice
Roberto began his collection of trading cards when his grandfather presented him with a set of 22 cards. Each week, he added 5 cards to his collection. His collection grew by the sequence 22, 27, 32, 37,...
How many cards did he have at the end of the 10th week?
67
72
62
76
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5
6
Multiple Choice
Sam created a website for online shopping. The website got 497-page views the first day. The number of page views doubled every day. Which sequence best describes the number of page views for 5 consecutive days?
497, 994, 1988, 3976, 7952
994, 1988, 3976, 7952, 15904
497, 994, 1988, 2982, 3976
994,1988, 2982, 3976, 4970
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Multiple Choice
The first year of an annual conference, 800 tickets were made available to the public. Each year after that, the number of available tickets increased by 9% from the previous year. Choose the equation below that gives the number of tickets available to the public, Tn, after n years.
Tn=T(n−1)⋅1.09 for n>1 T1=728
Tn=T(n−1)⋅0.09 for n>1 T1=728
Tn=T(n−1)⋅0.91 for n>1 T1=800
Tn=T(n−1)⋅1.09 for n>1 T1=800
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9
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Multiple Choice
In 2002, there were 972 students enrolled at Oakview High School. Since then, the number of students has increased by 1.5% each year. Write an exponential function to model the situation, then find the number of students enrolled in 2014.
y=12(1.015)972
195,104 students
y=972(0.985)12
811 students
y=972(1.015)12
1,162 students
y=0.015(972)12
1,205,193 students
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Multiple Choice
Mark bought a brand new car for $35,000 in 2008. If the car depreciates in value approximately 8% each year, write an exponential function to model the situation. Then, find the value of the car in 2015.
y=0.92(35000)7
$10,193.29
y=35000(0.92)7
$19,524.63
y=35000(1.08)7
$59,983.84
y=0.08(7)35000
$468.38
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13
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Multiple Choice
Jack took out a 6-year loan for $25000 to purchase a new boat at a 4.5% interest rate. If the interest is compounded monthly, what will he have paid in total over the course of the loan?
$1,125
$25,568.50
$26,148.50
$32,732.58
15
Multiple Choice
A savings account offers 0.8% interest compounded bimonthly. If Bob deposited $300 into this account, how much interest will he earn after 10 years?
$324.98
$24.98
$300
$50.87
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