Parallel and Perpendicular Lines (Edexcel GCSE Maths): Quizzes

They have identical gradients

$y = 3x - 2$ and $y = 3x + 1$

$5$

$90°$

$-\frac{1}{m}$

$-\frac{1}{4}$

$-1$

Yes, as $2 \times (-0.5) = -1$

$-3$

$y = -\frac{1}{2}x + 3$

$3$

$9$