# Unit 3 Checkpoint #2

## Quiz by Michael Giardi

### Our brand new solo games combine with your quiz, on the same screen

Correct quiz answers unlock more play!

9 questions
• Q1
30s
• Q2
Users enter free text
30s
• Q3
In the equation y = 2,000(1.28)^x, what is the growth rate?
Users enter free text
30s
• Q4
Amanda's bank account rose from \$500 to \$650. Amanda write the following equation: 150/500=0.3. What does 0.3 represent?
Y intercept
Growth factor
Growth rate
Rate of decay
30s
• Q5
A bond increase value at 3% annually. If you invest \$800, how long will it take to double your money?
12 years
24 years
8 years
4 years
30s
• Q6
A car depreciates (loses value) 10% a year. If it is currently worth \$18,000, how much will it be worth in 10 years. (Use a \$ sign, a comma if needed and round your answer to nearest dollar.)
Users enter free text
30s
• Q7
A car depreciates (loses value) 10% a year. What is the decay factor in the exponential decay equation? Write your answer as a decimal.
1.1
0.9
-0.1
.10
30s
• Q8
Which answer below is the closest estimate to the growth factor of the table above. Assume years are increasing by a single year and not by two years.
2.37
0.35
1.35
0.65
30s
• Q9
30s

Teachers give this quiz to your class