Straight Lines 0.0 / 5 ? MathematicsScottish HighersSQA Created by: caitlinCreated on: 29-12-12 15:49 Distance Formula sqare root of (x2-x1)sqaured + (y2-y1)squared 1 of 6 Midpoint Formula (x1 + x2) /2 , (y2 + y1) /2 2 of 6 Gradient #1 y2-y1 / x2 - x1 3 of 6 gradients #2 m=tan(theta) 4 of 6 Collinear 1- Work out Mab. 2-Work out Mbc 3- If the same then they're collinear 5 of 6 Perpendicular Bisectors M*Mperpendicular = -1 6 of 6

## Comments

No comments have yet been made