Math 221 Intro to Algebra Week 3 DQ 1

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Parallel and Perpendicular

 

  • Read the following instructions in order to complete this discussion, and review the example of how to complete the math required for this assignment:
    • Given an equation of a line, find equations for lines parallel or perpendicular to it going through specified points. Find the appropriate equations and points from the table below. Simplify your equations into slope-intercept form.
    • Use your assigned number to complete. (3 is my assigned number. See below)

 

 

 

If your assigned number is:

Write the equation of a line parallel to the given line and passing through the given point.

Write the equation of a line perpendicular to the given line and passing through the given point.

 
 
 

3

y = ¼ x – 2; (8, -1)

y = ¼ x – 2; (8, -1)

 

 

  • Discuss the steps necessary to carry out each activity. Describe briefly what each line looks like in relation to the original given line.
  • Answer these two questions briefly in your own words: 
    • What does it mean for one line to be parallel to another?
    • What does it mean for one line to be perpendicular to another?

 

  • Incorporate the following five math vocabulary words into your discussion. Use bold font to emphasize the words in your writing (Do not write definitions for the words; use them appropriately in sentences describing your math work.):

 

    • Origin 
    • Ordered pair 
    • X- or y-intercept  
    • Slope   
    • Reciprocal

 

Your initial post should be 250 words in length.


Carefully review the Grading Rubricfor the criteria that will be used to evaluate your discussion.

 

 

 

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