Divide both sides by 2 to give 𝑦 = 3𝑥 + 5 ... If the gradients of two perpendicular lines are multiplied, the result is –1. The gradient of the line 𝑦 = 2 – \(\frac{1}{ ...

Image caption, For a right-angled triangle, the base and the perpendicular height are the two sides that are at right angles. The perpendicular height is the perpendicular measurement that gives ...