Unit 4 Lesson 4

Unit 4 Lesson 4

9th - 12th Grade

10 Qs

quiz-placeholder

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Unit 4 Lesson 4

Unit 4 Lesson 4

Assessment

Quiz

Mathematics

9th - 12th Grade

Practice Problem

Hard

CCSS
HSF.LE.A.2, 8.EE.A.2, HSF.BF.A.2

Standards-aligned

Created by

Alexis Steinlage

Used 58+ times

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10 questions

Show all answers

1.

MULTIPLE SELECT QUESTION

2 mins • 1 pt

A bacteria population is tripling every hour. By what factor does the population change in  12\frac{1}{2}  hour? Select all that apply.

 3\sqrt{3}  

 32\frac{3}{2}  

Media Image

 3123^{\frac{1}{2}}  

 323^2  

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A medication has a half-life of 4 hours after it enters the bloodstream. A nurse administers a dose of 225 milligrams to a patient at noon. Which expression represents the amount of medication, in milligrams, in the patient's body at 7 p.m. on the same day.

225(12)1.75225\cdot\left(\frac{1}{2}\right)^{1.75}

225(12)7225\cdot\left(\frac{1}{2}\right)^7

225(12)0.75225\cdot\left(\frac{1}{2}\right)^{0.75}

225(12)47225\cdot\left(\frac{1}{2}\right)^{\frac{4}{7}}

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A medication has a half-life of 4 hours after it enters the bloodstream. A nurse administers a dose of 225 milligrams to a patient at noon. The expression  225(12)52225\cdot\left(\frac{1}{2}\right)^{\frac{5}{2}}  represents the amount of medicine in the body some time after it is administered. What time is that?

5:30 p.m. on the same day

7 p.m. on the same day

8:30 p.m. on the same day

10 p.m. on the same day

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

The number of employees in a company has been growing exponentially by 10% each year. By what factor does the number of employees change each month?

(1.1)1\left(1.1\right)^1

(1.1)112\left(1.1\right)^{\frac{1}{12}}

(1.1)30\left(1.1\right)^{30}

(1.1)1365\left(1.1\right)^{\frac{1}{365}}

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

The number of employees in a company has been growing exponentially by 10% each year. By what factor does the number of employees change every 3 months?

(1.1)1\left(1.1\right)^1

(1.1)112\left(1.1\right)^{\frac{1}{12}}

 (1.1)14\left(1.1\right)^{\frac{1}{4}} 

 (1.1)36\left(1.1\right)^{\frac{3}{6}} 

6.

OPEN ENDED QUESTION

3 mins • Ungraded

Media Image

The value of a truck decreases exponentially since its purchase. The two points on the graph shows the truck's initial value and its value a decade afterward. 

1- Express the car's value, in dollars, as a function of time d,d,  in decades, since purchase.

2- By what factor is the value of the car changing each year? Show your reasoning.

Evaluate responses using AI:

OFF

Tags

CCSS.HSF.LE.A.2

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Is the statement true or false: 5012=25.50^{\frac{1}{2}}=25.  

true

false

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