Mathematics for IGCSE & O level - Coordinate Geometry (Section 4 - No. 47)
Which of the following equations represents a line with a gradient of -3 and a y-intercept of 5?
y = 5x - 3
y = -3x + 5
y = 3x + 5
y = -5x + 3
คำอธิบาย
In the slope-intercept form (y = mx + c), m is the gradient and c is the y-intercept.