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Rewriting a linear equation in standard form to slope intercept form to identify slope

👉 Learn how to write the equation of a line in a point-slope form. The equation of a line is such that its highest exponent ...
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Module 4 (M4) - Algebra – Coordinates and graphs

Before you start, it may be helpful to read the guides on coordinates and graphs from Module 2 (M2) and Module 3 (M3). When two lines are perpendicular, the product of their gradients is 1. Lines A ...
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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 ...
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4 types of slope with two coordinates

In this math tutorial, we look at how to calculate slope between two points. We demonstrate using the slope formula and applying it to various coordinate pairs to find the rate of change. This algebra ...