Mathematics for IGCSE & O level - Coordinate Geometry (Section 2 - No. 2)
If the equation of a line is y = 4x + 1, at what point does it cross the y-axis?
(0, 4)
(1, 0)
(0, 1)
(1, 4)
解释
The y-intercept is where the line crosses the y-axis which is when x=0. in this case when x=0, y=1.