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statuscvo [17]
3 years ago
5

How to solve -x^2-2x+1

Mathematics
1 answer:
Wittaler [7]3 years ago
5 0

Answer:

Common factor

Factor by grouping

Factor by grouping

−

2

−

2

+

1

-x^{2}-2x+1

−x2−2x+1

−

1

(

2

+

2

−

1

)

{\color{#c92786}{-1(x^{2}+2x-1)}}

−1(x2+2x−1)

Solution−

-1(x²+ 2x-1 )

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Answer:

The maximum height of the twig is 96.6 feet off the ground

Step-by-step explanation:

To determine the maximum height of the twig,

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From the question,

Mary flicks a twig up and off of the ledge with the initial vertical velocity of 10 feet per second, that is

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and h is the height

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u = 10 feet/second

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Putting the values into the equation

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h = 100/64.34

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This is the height distance covered by the twig after Mary flicks it up.

Now, the maximum height of the twig will be the sum of the height of the rooftop from the ground and the height distance covered by the twig.

That is,

Maximum height = 95 feet + 1.6 feet

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