Sample Activity

Tangent to

y = (x-1)(x+2)

at (-1·5,-1·25)

Tangent to

y = x2+3x+2

at x=2

9y = 1-x
4y = 21x+54 2y = 3x-2 4y+8x+17 = 0 y = 7x+2
Tangent to

y = 3x(x-1)(x+2)

at x=-1·5

Normal to

y = 3x(x-1)(x+2)

at x=1

9y+x+22 = 0

Match the functions to the equation of their tangents or normals

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