In the equation of a straight line when the equation is written as y mx b the slope is the number m that is multiplied on the x and b is the y - intercept that is the point where the line crosses the vertical y -axis. Thus the y-intercept of the equation of a line in general form is. Since the slope of a horizontal line is 0 the general formula for the standard form equation y mx b becomes y 0x b y b.
Solution for What is the y-intercept of each equation.
A0by c 0 by c 0 y c b a 0 b y c 0 b y c 0 y c b. Thus the y-intercept of the equation of a line in general form is. The y-intercept of this line is the value of y at the point where the line crosses the y axis. The equation of any straight line called a linear equation can be written as.