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Putting an linear equation in standard form - cool math

👉 Learn how to write the equation of a line given points, slopes and intercepts. We will work on writing the equation of a ...
BBC

Equations of parallel and perpendicular lines

Higher - The gradients of two perpendicular lines will always multiply to make –1. Make sure you are familiar with finding the equation of a line and calculating gradient to understand equations of ...
YouTube on MSNOpinion

Putting an linear equation when a is negative

👉 Learn how to write the equation of a line given points, slopes, and intercepts. We will work on writing the equation of a ...
BBC

Parallel and perpendicular lines

The graphs above, \(y = 2x + 1\) and \(y = 2x - 2\) have the same gradient of 2. The lines are parallel. State the equation of a line that is parallel to \(y = 3x + 7\). To be parallel, two lines must ...