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katrin2010 [14]
3 years ago
14

Which of these is the standard form of the following function?

Mathematics
2 answers:
Nady [450]3 years ago
4 0

Answer:

A

Step-by-step explanation:

Given

f(x) = - 9(x + 5)² + 4 ← expand parenthesis using FOIL

     = - 9(x² + 10x + 25) + 4 ← distribute parenthesis by - 9

     = - 9x² - 90x - 225 + 4 ← collect like terms

     = - 9x² - 90x - 221 ← in standard form

lord [1]3 years ago
4 0

Answer: Bro write the question better

Step-by-step explanation:

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Sunny_sXe [5.5K]

Answer:

y=a(x^2-5x+4)

Step-by-step explanation:

I mean there are a bunch of answers. to figure it out, you can use the formula where you have solved the zeroes in terms of x.

y=(x-1)(x-4)

y=x^2-5x+4

Now if you add any a value to this function, your function will stretch or compress accordingly

y=a(x^2-5x+4)

So there isn't a single correct answer, but if you're looking for a bunch, then just replace the a value with whatever value you want, you'll still get the same answer since they're all proportional to one another.

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Answer:

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Step-by-step explanation:

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3 years ago
Find the slope of a line that passes through points (-2,1) and<br> (3,-5)
klasskru [66]

Answer:

-1.2

Step-by-step explanation:

4 0
3 years ago
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Given f(x)=-x-1, solve for x when f(x)=-10
Ilia_Sergeevich [38]

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set the equation equal to -10 and solve for x:

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Vanyuwa [196]

Answer:

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Step-by-step explanation:

Use x to solve :) it's a hint

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3 years ago
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