Population Growth and Decay Concepts

Population Growth and Decay Concepts

Assessment

Interactive Video

Mathematics

6th - 10th Grade

Hard

Created by

Amelia Wright

FREE Resource

The video tutorial explains how to model the growth of a deer population on a reservation, starting with 170 deer and increasing at a rate of 30% per year. It introduces the concept of exponential growth and demonstrates how to calculate the population after one year, then generalizes the formula to find the population at any given time. The function is expressed as P(t) = 170 * 1.3^t, where t is the number of years. The tutorial emphasizes understanding the mathematical principles behind exponential growth and how to apply them to real-world scenarios.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the initial number of deer on the reservation?

150

170

200

250

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

At what rate is the deer population increasing each year?

20%

30%

10%

40%

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you calculate the population after one year?

Multiply by 1.4

Multiply by 1.2

Multiply by 1.1

Multiply by 1.3

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the decimal representation of 30%?

30.0

3.0

0.3

0.03

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What mathematical concept is used to describe the population growth?

Linear growth

Logarithmic growth

Quadratic growth

Exponential growth

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the formula for the population after two years?

170 * 1.3^2

170 * 1.3

170 * 1.3^3

170 * 1.3^4

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you express 130% as a decimal?

1.03

1.3

13.0

130.0

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