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mamaluj [8]
3 years ago
6

Please solve these asap. 50 points and will be marked as brainliest​

Mathematics
1 answer:
Sergeu [11.5K]3 years ago
4 0

Answer:

Hi myself Shrushtee.

Step-by-step explanation:

We are unable to see your answer clearly post it by scanning it ok post it again.

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Determine the axis of symmetry and the vertex of the given function.<br> y = 2x2 - 12x + 21
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Answer:

the vertex is ( 3 , 3)

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Step-by-step explanation:

Let‘s name the function ” f ”

f(x) = y = 2x² - 12x + 21

the vertex has coordinates of ( -b/2a , f(-b/2a) )

-b/2a = 12/2(2) = 12/4 = 3

f(-b/2a) = f(3) = 2(3)² - 12(3) + 21 = 3

then the vertex is ( 3 , 3)

the symetric axis has the equation :

x = -b/2a

then

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