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SS 1 Graphs II – Gradient & Equation of a Line Mathematics SS 1 Third Term Introduction: From Graph to Equation In this lesson, we will learn how to find the equation of a straight line from its graph or from given information. We will also explore the relationship between the gradient and the equation of a line. 📌 Prerequisites: You should be familiar with the Cartesian plane and plotting points. You should know how to calculate the gradient of a line. You should understand the equation y = [Preview only]