PCCP PRACTICE TEST 6

PCCP PRACTICE TEST 6

9th - 12th Grade

30 Qs

quiz-placeholder

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PCCP PRACTICE TEST 6

PCCP PRACTICE TEST 6

Assessment

Quiz

Mathematics

9th - 12th Grade

Hard

Created by

Cindy Biedrycki

Used 5+ times

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30 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The function y=7(45)xy=7\left(\frac{4}{5}\right)^{-x}  represents exponential growth or decay?


Exponential Growth

Exponential Decay

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The function y=7(54)xy=7\left(\frac{5}{4}\right)^{-x}  represents exponential growth or decay?


Exponential Growth

Exponential Decay

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Write an equation that models the following situation:

Samantha's hair was known to grow very rapidly. It began at a length of 6 in and grew at a rate of 13% a week.

y=6(0.13)x

y=6(1.13)x

y=6(0.87)x

y=6(13)x

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Identify the y-intercept: f(x)=13(.27)xf\left(x\right)=13\left(.27\right)^x  

(.27)x

.27

13

3.51

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The population of Winnemucca, Nevada, can be modeled by P=6191(1.04)t where t is the number of years since 1990. What percent did the population increase each year?

4%

0.4%

40%

400%

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

An adult takes 400 mg of ibuprofen. Each hour, the amount of ibuprofen in the person’s system decreases by about 29%.

What is the decay rate for this problem?

1.29

.71

.29

1.71

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

You bought a Boston Whaler in 2004 for $12,500. The boat's value depreciates by 7% a year. How much is the boat worth in 2012?

$11625
$6994.77
$21,477
$875

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