Mathematics for IGCSE & O level - Coordinate Geometry (Section 1 - No. 44)
The equation of a line is y = -x + 5. At what point does this line intersect the y-axis?
(0, -1)
(5, 0)
(0, 5)
(-5, 0)
解释
The y-intercept is the point where the line crosses the y-axis which is when x = 0. therefore (0,5).