The Gradient of a Straight Line (VCE SSCE Mathematical Methods): Flashcards

Steepness or slope of a line

Vertical change in $y$-values

Horizontal change in $x$-values

$m = \frac{y_2 - y_1}{x_2 - x_1}$

Upward from left to right

Downward from left to right

Zero

Undefined

$m = \tan \theta$

Obtuse ($90°$ to $180°$)