Project #12591 - Algebra I Graphing HW

Graph lines #13-16 on the same grid:

13) Draw a line whose slope is NOT zero, undefined, -1 or 1.

  • • Label the line ‘A’ and label two points on this line with their x- and y-coordinates (x,y).
  • • Write the equation for this line in STANDARD FORM.

14) Draw another line that is PERPENDICULAR to your line A.

  • • Label the line ‘B’ and label two points on this line with their x- and y-coordinates (x,y).
  • • Write the equation for this line in POINT-SLOPE FORM.

15) Draw another line that is parallel to your line B.

• Label the line ‘C’ and label two points on this line with their x- and y-   coordinates (x,y).

  • • Write the equation for this line in SLOPE-INTERCEPT FORM.

16) Draw one more line that is PERPENDICULAR to your line C.

  • • Label the line ‘D’ and label two points on this line with their x- and y-coordinates (x,y).
  • • Write the equation for this line in whatever form you choose.

17) What shape is created by the intersections of the four lines you drew?

How could you prove it?

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Graph the following five lines on the same grid (different grid than #13-16).

Label each line with its linear equation.

18) y = 5

19)  y = 3x + 8

20) The line through (1,5) and (2,2)

21) 3x -4y = -8

22) The line with slope -3/4 that passes through the point (-4,5)

23) What shape is formed by this combination of lines?

24) Word problem

To avoid air turbulence, a plane climbs from an altitude of 20,700 feet to a higher altitude at the rate of 325 feet per minute. Write a function that describes the altitude, y, of the plane x minutes after it begins its climb to a higher altitude.

Then find the altitude of the plane for x = 5.

25) Ask and answer your own question that shows me you know something else about functions and linear equations that was not already covered in this quiz.

Subject Mathematics
Due By (Pacific Time) 09/16/2013 12:00 am
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