You should divide (difference of y-coordinates) / (difference of x-coordinates).
The slope is zero.
2
a line passes through the points (-10 -4) and (-1 2). what is the y-intercept of the line
Points: (0, -2) and (6, 0) Slope: 1/3 Equation of line: 3y = x-6
Since the slope of the line is 0, then the line is a horizontal line, and since the y-coordinates of the two points are 0, then the line lies on the x-axis. Thus, the equation of the line is y = 0.
The slope is zero.
2
y = 0. You can get this from the slope-intercept equation of the line.
y - 2 = 0
y - 2 = 0
y - 2 = 0
Points: (0, 0) and (4, 1) Slope: 1/4
If you mean: (0, 0) and (2, 4) then the slope works out as 2
The slope is 1/2.
2
Points: (0, 0) and (4, 1) Slope: 1/4
The slope is -2/6 = -1/3.