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Akimi4 [234]
3 years ago
8

If a polynomial function f(x) has roots 0, 4, and 3 + square root 11 , what must also be a root of f(x)?

Mathematics
2 answers:
Schach [20]3 years ago
7 0

3-sqrt11 is the correct answer on e2020

Galina-37 [17]3 years ago
5 0
3-√11
This function is evidently a quartic - a function with 4 roots. The last root has been found using the quadratic formula however, the answer always comes in pairs because the formula is
{b+√(b^2 - 4ac)}/2a and {b-√(b^2 - 4ac)}/2a. Therefore the other root must be 3-√11
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Uwu this isnt a test but its practiceee
igor_vitrenko [27]

<u>Answer</u>: B, (-3/2, -1)


<u>Step-by-step explanation:</u>

When you use the midpoint formula, (x1+x2/2 , y1+y2/2) you end up taking one away from -4, and dividing it by 2 (-3/2), and when you add 2 to -4, you get -2, divided by 2, is -1.


4 0
3 years ago
What is m∠DFE?<br><br> A. 78<br><br> B. 42<br><br> C. 19<br><br> D. 119
timofeeve [1]
Angle DFB = (1/2)*[(arc CE)+(arc BD)]
Angle DFB = (1/2)*(84+38)
Angle DFB = (1/2)*122
Angle DFB = 61

(Angle DFB) + (angle DFE) = 180
angle DFE = 180 - (Angle DFB)
angle DFE = 180 - 61
angle DFE = 119 degrees

---------------------------------------

Final Answer is choice D) 119 degrees

7 0
3 years ago
Read 2 more answers
Please help i’ll give brainliest
lbvjy [14]

Answer:

Matter in living things may pass into nonliving things.

Step-by-step explanation:

3 0
3 years ago
Please I need help with this!!<br>​
erastovalidia [21]

Answer:

D

Step-by-step explanation:

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3 0
3 years ago
Question 1 1.1 The owner of Good Hope Cafeteria wants to explore the views of her clientele on the service quality and food offe
maw [93]

1.1) The population of Interest here is Her Clientele at the cafeteria.

1.2) The sample of Interest here is the 20 selected patrons who  ate lunch at the cafeteria on a particular Tuesday.

1.3) The sample unit here is "Patrons".

1.4) The data collection method used here is use of Interviews and Focus Groups.

<h3>What type of Sample was used?</h3>

1.1) A population of interest is a specified group of individuals or institutions from whom you are attempting to draw conclusions.

The population of Interest here is Her Clientele at the cafeteria.

1.2) The sample of Interest here is the 20 selected patrons who  ate lunch at the cafeteria on a particular Tuesday.

1.3) The sample unit here is "Patrons".

1.4) The data collection method used here is use of Interviews and Focus Groups.

Read more about Method of sampling at; brainly.com/question/9910540

#SPJ1

5 0
2 years ago
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