Gradients, Tangents & Normals (Edexcel A-Level Mathematics): Quizzes

Touches the curve only once at that point

The gradient of its tangent at that point

Find the gradient function $\frac{dy}{dx}$

$9$

$3$

Normal gradient is negative reciprocal

$-\frac{1}{17}$

$8x + 1$

$y = 9x - 6$

$15x^{\frac{3}{2}}$