4 years ago

Consider the quadratic function:

Mathematics

2 answers:

storchak [24]4 years ago

4 0

X = -b/2a = 8/2 = 4

y = 16 -8*4 -9 = 16 - 32 -9 = -25

the wertex is (4,-25)

guajiro [1.7K]4 years ago

3 0

Answer: it’s 4,-25

Step-by-step explanation:

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87th term of 12,0,-12

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Step-by-step explanation:

Given:

The given AP is.

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$n=87$

The first term of an AP $a=12$

Common difference $d=0-12=-12$

We use the the formula for nth term of an AP.

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for 87th term

$a_{87} = 12+(87-1)(-12)$

$a_{87} = 12+(86)(-12)$

$a_{87} = 12+(-1032)$

$a_{87} = 12-1032$

$a_{87} = -1020$

Therefore, The 87th term of given series is -1020.

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