Answer:
a) y = (3/4)x - 3
slope = 3/4 tan Ф = 3/4 Ф = 36.9° (2)
b) y = -2x + 3
slope = -2 tan Ф = -2 Ф = -63.4° (4)
c) y = 4x + 0.5
slope = 4 tan Ф = 4 Ф = 75.9° (5)
d ) y = -0.5x + 7
slope = -0.5 tan Ф = -0.5 Ф = -26.56 ( 1)
e) y = x + 4.2
slope = 1 tan Ф = 1 Ф = 45 (3)
