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Graphing A Line

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BC: Graphing a Line by:Rachel F. and Jessica K.

FC: Graphing A Line | By: Rachel F. & Jessica K.

1: Steps to Graph a Line | 1. Make a chart 2. Pick 3 x-values (Domain) 3. Plug in your x-values 4. Solve for Y (Range) 5. List your coordinates 6. Plot your points and graph the line

2: Making a Chart | When you are making a chart, you are figuring out and showing where the points on a coordinate plane are. | Step 1

3: This is an example of a type of chart that is made.

4: Choose Three X-Values | For this step, you need to choose three x-values, or Domains. | These are going to be the value of the variable x. | Step 2 | You can also choose negative numbers. | For the Domains, you can choose any number you would like.

5: I usually like to use 0, 1, and 2. It is easier that way and makes it easier to graph it. | But, for fractions like 1/2 it is easier to do even numbers, like 0, 2, and 4.

6: Plug in your X-Values | Now, you take whatever the value of the domains, and plug it into the X in the problem. | Step 3

8: Step 4 Solve for Y | Solve the problem when you plug in X and figure out what the value of Y is

9: If the problem is y=3x+4, and your Domain is 1, then you would fill in the x with one. Then you multiply 3 times 1 which is three, after that add the four which comes to 7. So, the answer is 7.

10: Step 5 | List your Coordinates | In this step, you put your X value and your Y value together to make a coordinate | The coordinates show where the points are on the coordinate plane

11: The Roman Numerals on the Coordinate Plane show the quadrants of it | This is the Coordinate Plane

12: Plot the points and Graph the Line | You use the coordinates you just made and find them on the coordinate plane | Your "X" value goes on the X-Axis, and your "Y" value goes on the Y-Axis. Remember, "X" comes before "Y" in the alphabet. | Step 6

13: Coordinates go onto the plane

14: See how w

15: e did it? | The points should make a straight line

16: Now it's your turn! | Solve this practice problem | A minute on the clock, and.... GO!

17: y=3x+5

18: Now, Let's Solve It | The problem was y=3x+5. So, we need to do the first step. | The first step is to choose your x-values.

19: Step 1 of Solving | Step 1 is to make a chart. This is what one should look like.

20: Step 2 of Solving | Step 2 is to choose x-values. Like I said before, you can choose any that you would like. | Also, like I said before, I like to use 0, 1, and 2. They just make things easier.

21: Step 3 of Solving | Step 3 is plugging in your x-values. You put the x-values that you chose (for me 0, 1, and 2) in the chart. | Then, you put the "X" value into the X in the problem.

22: Step 4 of Solving | Step 4 is to solve for the value "Y" We solve the problem then place our answer in the Y column. This number will go on the Y Axis in the end.

23: Step 5 of Solving | Step 5 of Solving is to list your coordinates. These show where the dots are on the graph

24: Step 6 for Solving | Step 6 for solving is to plot your points and graph the line | You take the coordinates and plot them. The "X" value goes on the X Axis, and the "Y" value goes on the Y Axis | Your points should make a straight line if you connect them | And your finished!

26: Lets try another! | How about: y = 2x-4

27: GO! | Don't worry, we'll give you a minute

28: So.. | You made your chart | Then you chose your X's | After that you plugged X into your problem | Solved for Y | Listed your coordinates | Then plotted your points and graphed a line! | You should have come up with something like...

29: You should have come up with something like...

30: Thanks for Watching! | Now you know all the steps to graphing a line! | It's as easy as 1, 2, 3!

31: This has been: Graphing a Line | By: Jessica Kegley and Rachel Fairchild

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Default User
  • By: Rachel F.
  • Joined: about 5 years ago
  • Published Mixbooks: 0
  • Default User
    • By: Jessica K.
    • Contributions: 0 photos , 8 pages

About This Mixbook

  • Title: Graphing A Line
  • math project
  • Tags: None
  • Started: about 5 years ago
  • Updated: almost 5 years ago

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