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Graph and, if possible, determine the slope

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Graph and, if possible, determine the slope.
Graph using the slope and the y -intercept.
Determine whether the graphs of the given pair of lines are parallel.
Determine whether the graphs of the given pair of lines are perpendicular.

See attached file for full problem description.

7.4
Graph and, if possible, determine the slope.

30. x = -4

34. f (x) = 2

20. Graph using the slope and the y -intercept.

F (x) = x + 3

Determine whether the graphs of the given pair of lines are parallel.

46. y + 7x = -9
-3y = 21x + 7

Determine whether the graphs of the given pair of lines are perpendicular

50. 2x - 5y = -3.
2x + 5y = 4

Find the intercepts and then graph the line
10. 5x - 10 = 5y

7.3 Find the slope and the y-intercept

14. 5x = - 10

Find the slope of the line containing the given pair of points.

24. (17, -12) and (-9, -15)

Find the slope (or pitch) of the roof

8.2 foot wide and 2.6ft tall

30. Public buildings regularly include steps with 7-in. risers and 11-in. treads. Find the grade of such a stairway.