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Harry Potter and the Deathly Hallows part 1 - Battle of the seven Potters (HD)

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With the given vocabulary, in pairs make your partner guess the function from the cards.

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Decreasing function
Increasing function

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x² : t squared
x^3 : t cubed
x^n : x to the power n
√x : (square) root x
f(x) : the function of x
f'(x) : f prime x

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Parabola
Discriminant
Find the zeros of a function

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x-axis
y-axis
cross the x-axis

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x + y : x plus one
x - y :x minus one
x = k : x equals k

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1/4 : one quarter
x/y : x over y
1.56 : one point five six