equation with slope -1/2 passing through (-1,4)

Answer 1

y=mx + b

y=(-1/2)x + b

4= (-1/2)(-1) + b

b = 4-1/2 = 7/2

y = (-1/2)x + 7/2 is the equation of the line with slope -1/2 going through (-1,4)

or to eliminate fractions multiply by 2 to get

2y = -x +7 or

x+2y =7