Lines may be essential in Photoshop documents, such as when you're setting up a page for executives to hand-write business statements or for employees to take notes at your next seminar. While drawing ...

Horizontal lines run left to right, parallel to the horizon, with slope 0 and equation y = k. Vertical lines run top to bottom, perpendicular to the horizon, with undefined slope and equation x = k.

Begin by drawing the main outline of the volcano. Draw a large triangle or cone shape in the center of your page. Make the base wide and the top narrow. Keep the sides slightly curved rather than ...

Lines which are parallel have the same gradient. For example, \(\text{y = 2x + 1}\) and \(\text{y = 2x - 2}\) will be parallel because they both have a gradient of 2. We want to determine if the lines ...