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Refrigeration and Exponential Growth Concepts

Refrigeration and Exponential Growth Concepts

Assessment

Interactive Video

Mathematics

9th - 10th Grade

Practice Problem

Hard

Created by

Thomas White

FREE Resource

The video tutorial covers solving word problems using equations, focusing on three examples: Newton's Law of Cooling, compound interest, and car depreciation. Each example demonstrates how to apply exponential equations and logarithms to solve real-world problems, emphasizing the importance of understanding variables and using calculators for precise calculations.

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16 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main focus of the last set of notes for chapter four?

Statistics overview

Introduction to algebra

Word problems

Geometry basics

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the temperature of the soda when it is placed in the refrigerator?

50 degrees

79 degrees

36 degrees

45 degrees

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the constant temperature maintained by the refrigerator?

36 degrees

79 degrees

50 degrees

45 degrees

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the context of the soda cooling problem, what does 'little t' represent?

Temperature of the soda

Initial temperature

Rate of cooling

Time in minutes

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What mathematical method is suggested to solve for 't' in the soda cooling problem?

Apply Pythagorean theorem

Use arithmetic mean

Use quadratic formula

Switch to log form

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the approximate time in minutes for the soda to reach 45 degrees?

35 minutes

25 minutes

27 minutes

30 minutes

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the initial amount of money in the account in Example 2?

$800

$1,350

$2,014

$1,000

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