This topic focuses on understanding the properties of slopes in line equations, specifically identifying vertical and horizontal lines on graphs based on their slopes. It involves differentiating lines with zero slope (indicative of a horizontal line) from those with an undefined slope (indicative of a vertical line) by interpreting their slope values (m=0 for horizontal and slope or m=∞ for vertical). The problems help practice recognizing these characteristics on graphed lines, aiding in the broader comprehension of line equations and graphing.

Work on practice problems directly here, or download the printable pdf worksheet to practice offline.