Algebra Problems Parallel or Perpendicular Lines

1) Tell whether the lines are parallel, perpendicular, or neither.
12x+4y=16 and 15x+5y=24

2) Same question as above
4x-2y=-15 and 4x+3y=-15

3) Same question
3x-4y=-8 and 8x+6y=-8

4) Find an equation of the line containing the given pair of points.
(-2,2) and (7,9)

5) Same question
(-6,-9) and (1,-9)

6) Find the slope of the line containing the two given points.
(9,1) and (-7,-1)

7) Describe the slope and the y-intercept
14y+5x+7=5+5x

8) Same question
3x-5y+5=0

9) Write an equation of the line described.
Throught (-3,-3), parallel to -5x-4y=-1

10) Same question
Through (-1,-9), perpendicular to -5x+8y=-35

11) Same question
Through (-6,3), parallel to 5x-7y=-65

12) Find an equation of the line containing the given pair of points
(-4,-8) and (4,1)

13) Same question
(-9,9) and (0,4)

14) Graph using the slope and y-intercept
-4x-y=o

15) Graph the linear equation
Y=-1/3x+8/3

16) Same question
Y=1/9x+7/9

17) Find the intercept and then graph the line
5y=-40+8x

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