y=6x-15; (8, ),(-1, ),(5, )
y = 6x - 15(8,?)....x = 8, so sub in 8 for x and solve for yy = 6(8) - 15y = 48 - 15y = 33......(8,33)(-1,?)y = 6(-1) - 15y = -6 - 15y = - 21.....(-1,-21)(5,?)y = 6(5) - 15y = 30 - 15y = 15......(5,15)