Determining Percentage Rate of Change

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Mathematics
•
9th - 10th Grade
•
Hard
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7 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the formula used to calculate the amount in a compound interest scenario?
A = P(1 - r)^t
A = P + rt
A = P(1 + r)^t
A = P(1 + rt)
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If Toby's running time improved from 14.2 seconds to 12.9 seconds, what is the percent change?
10%
11%
9%
8%
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a linear function, what remains constant?
The rate of change
The exponent
The base value
The percent change
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does the rate of change behave in an exponential growth model?
It fluctuates randomly
It decreases over time
It increases over time
It remains constant
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the percent change if a company's profit increases from $1,000 to $1,060?
5%
7%
6%
8%
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the predicted value of a car after 10 years if it depreciates at a rate of 7.5% annually?
$8,277
$9,000
$10,000
$11,000
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main difference between predicting growth and predicting depreciation using exponential models?
Both use subtraction
Both use addition
Growth uses subtraction, depreciation uses addition
Growth uses addition, depreciation uses subtraction
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