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Math Help - Honors level graphing project

  1. #1
    Newbie
    Joined
    Aug 2009
    Posts
    2

    Exclamation Honors level graphing project

    I just need help with this project. Any help is appreciated.

    - MathResources Graphing Tool (provided)
    - 8 pieces of 8.5 x 11 paper
    - Scissors
    - Ruler
    - Tape
    - Pencil


    Procedure

    1. Cut each of the 8 pieces of paper into squares measuring 8 inches by 8 inches.

    2. Using a pencil and ruler, mark each side off in 1/2 inch increments so that you have created a piece of graph paper that has 16 squares by 16 squares. Repeat this procedure for all 8 pieces of paper.

    3. Take one sheet of graph paper and cut out one square out of each of the 4 corners. Fold up the 4 sides to create a box (without a lid) that has 14 squares across the bottom and has a height of 1 square up. You may want to tape the sides in place. This is your first of 8 boxes.

    4. Repeat step #3 cutting 1 inch squares from each of the 4 corners and folding up the sides. Continue with the remaining 6 pieces of paper increasing the size of the squares that you will cut out by 1/2 inch. Can the last piece of paper have 4 inch squares cut from each corner? Why or why not?

    5. Create a data table like the example data table below.
    Note: The measurements are in inches, not squares. Each square is 1/2 inch. Volume should be given in cubic inches.

    6. Find the length, width, height, and volume (V = lwh) of each of the 7 boxes, to complete the data table.


    Questions

    1. Which box has the maximum volume?

    2. With the MathResources Graphing Tool, graph the data by placing the height on the horizontal axis and the volume on the vertical axis.) Use a range of x from -5 to 10 and y from -5 to 40. Title and label the axes of your graph. To graph the data click on the button below.

    To see your graph, click on the pencil icon. I would recommend pasting the graph into a Word document. Then you can view it throughout the rest of the activity. Choose File, Image, Copy from the menu and then just paste it into a document that you can continuously view.
    Very Important: When the Properties dialog pops up choose the "cubic" option for the line that best fits your graph. If the line fits, then your data fits a cubic function.

    3. What type of function is your graph? Why?

    4. What is the equation of your function? To find this, click on the key icon. You will have to double click inside of the description box and use the right arrow key in order to see the whole equation. Copy the equation from the description box or record the equation on a piece of paper.

    5. Use the function plot MathResources Graphing Tool below to graph the function. You can either paste the equation into the function box (remember to get rid of the y = part of the equation) or you can just type in the equation that you recorded in part 4. Use a range of x from -5 to 10 and y from -5 to 40. Again, I would recommend pasting the graph into a Word document. It will be easier to compare the two graphs and easier to save and submit them.

    6. Where does your function graph intersect the x-axis? Use the tracker icon to get the coordinates. Round your answers to 2 decimal places and remember, y=0 or close to it. These points are called the zeros of the function. Notice that you are able to see the zeros in the graph of the function but not in the graph of your actual data. What is the reason for that? Think about the differences between real data and the graph of an equation.

    7. Locate the highest point on your graph using the tracker icon. What does this point represent?

    8. Just for fun, what type of product could be packaged in the container that has the maximum volume? Why?
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  2. #2
    No one in Particular VonNemo19's Avatar
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    Detroit, MI
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    Quote Originally Posted by Kaine90 View Post
    I just need help with this project. Any help is appreciated.
    This is a whole lot to take in, Kaine. If you could, tell us exactly where it is in this huge set of instructions that you get stuck.
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  3. #3
    Newbie
    Joined
    Aug 2009
    Posts
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    Mostly with questions 1-5. I just dont understand it, after I did all the cutting it just got confusing.
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  4. #4
    No one in Particular VonNemo19's Avatar
    Joined
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    Detroit, MI
    Posts
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    OK.

    So, to compute the volume of each box, count the number squares across the bottom, square that value, then multiply it by the height. (how many squares high it goes)

    For the problems concerning the MathResource thingy, I can't really say much because I'm not familiar with the thing. But I think it's asking you to basically (on the program) draw a plane, label the axes, and then draw a line (curve?) throught the data plotted.

    I hope this is kinda helpful...
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  5. #5
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    mr fantastic's Avatar
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    This looks like work that contributes towards your final grade. MHF policy is to not knowingly give help with such work, it's meant to be your own work.

    Thread closed.

    Quote Originally Posted by Kaine90 View Post
    I just need help with this project. Any help is appreciated.

    - MathResources Graphing Tool (provided)
    - 8 pieces of 8.5 x 11 paper
    - Scissors
    - Ruler
    - Tape
    - Pencil


    Procedure

    1. Cut each of the 8 pieces of paper into squares measuring 8 inches by 8 inches.

    2. Using a pencil and ruler, mark each side off in 1/2 inch increments so that you have created a piece of graph paper that has 16 squares by 16 squares. Repeat this procedure for all 8 pieces of paper.

    3. Take one sheet of graph paper and cut out one square out of each of the 4 corners. Fold up the 4 sides to create a box (without a lid) that has 14 squares across the bottom and has a height of 1 square up. You may want to tape the sides in place. This is your first of 8 boxes.

    4. Repeat step #3 cutting 1 inch squares from each of the 4 corners and folding up the sides. Continue with the remaining 6 pieces of paper increasing the size of the squares that you will cut out by 1/2 inch. Can the last piece of paper have 4 inch squares cut from each corner? Why or why not?

    5. Create a data table like the example data table below.
    Note: The measurements are in inches, not squares. Each square is 1/2 inch. Volume should be given in cubic inches.

    6. Find the length, width, height, and volume (V = lwh) of each of the 7 boxes, to complete the data table.


    Questions

    1. Which box has the maximum volume?

    2. With the MathResources Graphing Tool, graph the data by placing the height on the horizontal axis and the volume on the vertical axis.) Use a range of x from -5 to 10 and y from -5 to 40. Title and label the axes of your graph. To graph the data click on the button below.

    To see your graph, click on the pencil icon. I would recommend pasting the graph into a Word document. Then you can view it throughout the rest of the activity. Choose File, Image, Copy from the menu and then just paste it into a document that you can continuously view.
    Very Important: When the Properties dialog pops up choose the "cubic" option for the line that best fits your graph. If the line fits, then your data fits a cubic function.

    3. What type of function is your graph? Why?

    4. What is the equation of your function? To find this, click on the key icon. You will have to double click inside of the description box and use the right arrow key in order to see the whole equation. Copy the equation from the description box or record the equation on a piece of paper.

    5. Use the function plot MathResources Graphing Tool below to graph the function. You can either paste the equation into the function box (remember to get rid of the y = part of the equation) or you can just type in the equation that you recorded in part 4. Use a range of x from -5 to 10 and y from -5 to 40. Again, I would recommend pasting the graph into a Word document. It will be easier to compare the two graphs and easier to save and submit them.

    6. Where does your function graph intersect the x-axis? Use the tracker icon to get the coordinates. Round your answers to 2 decimal places and remember, y=0 or close to it. These points are called the zeros of the function. Notice that you are able to see the zeros in the graph of the function but not in the graph of your actual data. What is the reason for that? Think about the differences between real data and the graph of an equation.

    7. Locate the highest point on your graph using the tracker icon. What does this point represent?

    8. Just for fun, what type of product could be packaged in the container that has the maximum volume? Why?
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