Using Transformations to Sketch Graphs (VCE SSCE Mathematical Methods): Flashcards

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Using Transformations to Sketch Graphs
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Method for sketching complicated functions

Transform from simpler base function step by step

Effect of dilation factor k from x-axis on y-coords

Multiplies all y-coordinates by k

Direction graph shifts for (xh)(x - h) inside function

h units to the RIGHT

Vertical asymptote for y = rac{a}{x - h} + k

x=hx = h

Horizontal asymptote for y = rac{a}{x - h} + k

y=ky = k

How to find y-intercept of a function

Substitute x=0x = 0

How to find x-intercept of a function

Substitute y=0y = 0

Effect of negative sign before square root on graph

Reflection in the x-axis

Order to apply transformations

Dilations, horizontal translations, then vertical translations

What moves during horizontal translation

Vertical asymptote

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