Linear equations are a great way to determine the pace at which something is changing. The rate of change, or slope, can determine how quickly something is increasing or decreasing.
Linear equations are a great way to determine the pace at which something is changing. The rate of change, or slope, can determine how quickly something is increasing or decreasing.
Initial Response Post:
You are on the local zoning council in your city. The council needs to determine how rapidly the population in your city is increasing or decreasing. This will allow the council to determine the future needs of the city. You are going to determine the rate of change in population of your city. Include the name of your city and state in your post.
Do an internet search to find the population of your city in 2015. Write this as an ordered pair (2015, population).
Find the current population of your city. Write this as an ordered pair (current year, current population).
Use the slope formula to determine the rate of increase/decrease, or slope, of a line drawn between the points that represent the population of 2015 and the current population. Round your answer to two decimal places. Show all the steps you used to arrive at this answer.
Is the population of your city increasing or decreasing? Does the rate of increase or decrease seem high, low, or somewhere in between? Use the rate of increase or decrease to make a recommendation to the council of your city on what the future needs of your city might be.
Review an example of an initial response for this Discussion.
Peer Reply 1:
You are on the same local zoning council as your fellow classmate. You appreciate the information that your fellow council person has presented, but you feel that a little more information is needed before the council can go forward. Find a classmate’s initial post that has not yet been replied to by a fellow classmate.
Do an internet search and find the population of your classmate’s city in the year 2000. Write this as an ordered pair (2000, population).
Use the slope formula to recalculate the rate of increase/decrease, or slope, of a line drawn between the points that represent the population of 2000 and the current population as given in your classmate’s initial post. Round your answer to two decimal places. Show all the steps you used to arrive at this answer.
Write an inequality comparing your classmate’s slope to the slope you calculated. For example: 3.45 > 1.79
Based on the new information you have gathered; would you like to recommend something different or improve upon your classmate’s recommendation to the city council?
Review an example of a peer reply 1.
Peer Reply 2:
Find a thread in the Discussion Board that you find interesting and join the conversation. Post several sentences on this topic that are thoughtful and advance the discussion mathematically.
Discussion Overview/Directions
In this unit’s Discussion, you will interact with your classmates on the course content. Remember, your goal for Discussion Assignments is to ensure that:
Responses are on topic, original, and contribute to the quality of the Discussion.
Responses make frequent, informed references to unit material.
Responses are clearly written.
You submit two or more Discussion Board replies to classmates as described in the Discussion Question that are thoughtful and advance the Discussion.
Keep in mind that when you post, you should include references to the textbook and any material found online. The class is all about sharing knowledge, so use Discussions as a way of creating a community resource for yourself and your classmates.
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