which is a true statement? y=6x+3 the slope is 6 and the point passes through (-2,-9)__x+3=12 the slope is 1/3 the point passes through (-3,5)___ 4x-5y=35 the slope is 4/5 the point passes through (-3,5)__y=-2x-4 the slope is -2 the point passes through (-1,-6)