Mathematics for IGCSE & O level - Equations (Section 3 - No. 19)
How do you find the x-intercept of a linear equation in the form of y=mx+c?
Set y = 0 and solve for x
Set x = 0 and solve for y
Set y = 1 and solve for x
Set x = 1 and solve for y
설명
The x-intercept is the point where the line crosses the x-axis, which happens when y = 0