Question

1直线x+根号3y-1=0的倾斜角为______

Answer 1

1.y = -x/√3 + 1/√3,k = -1/√3,倾斜角=arctan(-1/√3) = 150˚

2.与坐标轴交点:(3,0),(0,2),S = 3

3.y = (1 - 2m)x - 4,k = 1 - 2m < 0,m > 1/2