The general equation of the line is y = 3x + c. Having only one coordinate (21) of a point on this line is not enough to evaluate c.
5x - 10 = -20This equation can be restated as 5x = -10 : x = -2This is the equation of a straight line perpendicular to the x axis and passing through the point x = -2. There is no y intercept and the slope is indeterminate.
On a graph, this is a straight vertical line, parallel to the y-axis, passing through the point (a,0) on the x=axis. Its slope is infinite, and it has no y-intercept.
y = -5x
Slope is zero y-intercept is -7 there is no x-intercept for this equation
Solving the equation for "y" gives you the slope-intercept form.
5x - 10 = -20This equation can be restated as 5x = -10 : x = -2This is the equation of a straight line perpendicular to the x axis and passing through the point x = -2. There is no y intercept and the slope is indeterminate.
6x - 3y = 12y intercept at x = 0 is y = 4x intercept at y = 0 is x = 2the graph is straight line passing through the two points: (0, 4) and (2, 0)
y=-x+4
On a graph, this is a straight vertical line, parallel to the y-axis, passing through the point (a,0) on the x=axis. Its slope is infinite, and it has no y-intercept.
y = -5x
Slope is zero y-intercept is -7 there is no x-intercept for this equation
Solving the equation for "y" gives you the slope-intercept form.
The coordinates of the x intercept for the equation y equals x plus 1 is (x=-1, y=0).
y = mx + b <-- (Slope Intercept equation) y = 4x - 1 <-- (Slope Intercept form)
The 'x' and 'y' intercepts of that equation are both at the origin.
2
b