Linear equation basics: In $y = mx + c$, $m$ is the gradient (slope) and $c$ is the y-intercept. Understanding $m$ and $c$ is essential for graphing straight lines.

Interpreting the gradient $m$: The gradient ($m$) shows how steep the line is. A positive $m$ means an upward slope, while a negative $m$ means a downward slope.

Graphing Linear Equations: For $y = 2x + 1$, start at the y-intercept $(0,1)$, then move 1 step right and 2 steps up to plot the second point because $m$ is 2. Finally, create a straight line through these points.

Membership Required

You must be a member of Math Angel Plus or Math Angel Unlimited to watch this video.