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seropon [69]
2 years ago
15

the zero of the quadratic polynomial x^2+99x+127 are a both positive b both negative c one +ve one-ve d both equal. please help​

Mathematics
2 answers:
Paha777 [63]2 years ago
7 0

Step-by-step explanation:

By Descrates' Rule of Signs,

x² + 99x + 127 changes sign 0 times.

Hence it has 0 positive roots.

Since the discriminant b² - 4ac is also positive, there are 2 real distinct roots.

Hence both the roots are negative. (B)

Alenkinab [10]2 years ago
4 0

Answer:

Hi Aarav

Your answer in attached below

LoL

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gizmo_the_mogwai [7]

Answer:

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Step-by-step explanation:

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This is 10 points plz help ( NO LINKS )
Semenov [28]

Answer:

D is correct

Step-by-step explanation:

The opposite of a negative number is the positive version of it which is 3.5 and the absolute value of a number is always the positive version of a number which would make it also 3.5.  For example absolute value of -4 is 4 and absolute value of 5 is 5.

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3 years ago
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Simplify (4x+5y)(2x-3y)+3xy<br><br> Help
amid [387]

Answer:

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multiplying the terms in brackets

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multiplying with each terms inside the bracket

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doing the product each of the pair of terms

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taking the sum of terms with coefficient "xy"

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3 years ago
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Read more about reflection at:

brainly.com/question/1600006

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