Determining the Rule for the Graph of a Polynomial (VCE SSCE Mathematical Methods): Flashcards
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Practise the cards
10 cards from this deck
Points needed to determine polynomial of degree
Points needed to determine polynomial of degree
points
Points needed to determine a cubic function (degree 3)
Points needed to determine a cubic function (degree 3)
4 points
Translated form of cubic with inflection point
Translated form of cubic with inflection point
Cubic form with 3 distinct x-intercepts alpha, eta, gamma
Cubic form with 3 distinct x-intercepts alpha, eta, gamma
y = a(x - alpha)(x - eta)(x - gamma)
Cubic form: touches at , crosses at eta
Cubic form: touches at , crosses at eta
y = a(x - alpha)^2(x - eta)
General form of cubic function
General form of cubic function
Graph crosses x-axis → factor type
Graph crosses x-axis → factor type
Simple linear factor
Graph touches x-axis → factor type
Graph touches x-axis → factor type
Repeated factor (squared)
Mnemonic: 'Touch means...'
Mnemonic: 'Touch means...'
twice (factor appears squared)
Where is the y-intercept on a graph?
Where is the y-intercept on a graph?
Where
