Answer:
Step-by-step explanation:
Hello:
the equation is : y = ax+b
the slope is a : a×(2) = -1......( perpendicular to a line with a slope of 2 because y = 2x+8)
a = -1/2 y=(-1/2)x+b
the line that passes through (-3, 9) : 9 = (-1/2)(-3)+b
b = 9-3/2 = 15/2
the equation is : y = (-1/2)x +15/ 2
