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notsponge [240]
2 years ago
8

Find the vertex of the quadratic function.

Mathematics
1 answer:
tensa zangetsu [6.8K]2 years ago
6 0

hi,

the function is given with it's canonic form.  

canonic form is  :  f(x) = a ( x-α)² + β

α  and β are the value of the coordonnates of the vertex.

so here we  have : ƒ(x) = 2(x−1)² +3

with α = 1  and β = 3

so vertex is  V (1;3)

So yes, answer is   A.

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3 years ago
Which number produces an irrational number when multiplied by 1/3
MArishka [77]

We can simply observe that.

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Since the product of two rational numbers is always rational, we have that

0.\bar{7}\cdot \dfrac{1}{3},\quad \dfrac{1}{3}\cdot \dfrac{1}{3},\quad -4\cdot \dfrac{1}{3}

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On the other hand, we have

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Answer:

?=19

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Answer:

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