Mathematics for IGCSE & O level - Coordinate Geometry (Section 2 - No. 38)
Which statements are true regarding the x-intercept of a line?
It is the point where the line crosses the y-axis.
Its y-coordinate is always 0.
It is the point where the line crosses the x-axis.
Its x-coordinate is always 0.
解释
The x-intercept is where the line crosses the x-axis. At the x-intercept, y = 0.