1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
miv72 [106K]
3 years ago
6

Find the roots of the polynomial equation. -x3 + 5x2 - 11x + 55 = 0

Mathematics
2 answers:
Dmitrij [34]3 years ago
4 0
Thank you for posting your question here at brainly. I hope the answer will help you. Feel free to ask more questions.
<span>y = -x3 + 5x2 - 11x + 55 ||x = 5 one root -125 + 125 - 55 + 55 = 0
using Synthetic Divsion
5 -1 5 -11 55
-5 0 -55

</span><span>-1 0 -11 0
results in:
-x^2 - 11 = 0
x^2 + 11 = 0
x^2 = -11
x = ± i√11
roots are: i√11,-i√11,5</span>
emmasim [6.3K]3 years ago
4 0
<span>i√11, −i√11, 5</span>

Is 100% right!

You might be interested in
Find the distance between -508 and 123.​
Luda [366]

Answer:

add the absolute value for both, boom ur answer

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
GIVING BRAINLIEST PLEASE HELP!!
PolarNik [594]

this is really hard but ig that u have to calculate the size of the line

3 0
3 years ago
What go in the blanks?
Gnesinka [82]

Answer:NUMERATORS

Step-by-step explanation:

5 0
3 years ago
Ameer uses \dfrac14 4 1 ​ start fraction, 1, divided by, 4, end fraction of a bottle of shampoo to give each of his dogs a bath.
svet-max [94.6K]

Answer:

138 3/8

Step-by-step explanation:

total shampoo used for 555 dogs = 1/4 x 555 = 138 3/8 bottles

7 0
3 years ago
Simplify the expression given below.<br><br> x+2/ 4x^{2} +5x+1 *4x+1/2x-4[/tex]
VashaNatasha [74]

Answer:

pls write understandably

7 0
3 years ago
Other questions:
  • How do I write the sum of two numbers as the product of their GCF and another sum
    15·2 answers
  • Which expression is equivalent to 56 + 21? 7(49 + 14) 8(7 + 21) 8(48 + 13) 7(8 + 3)
    9·1 answer
  • How to convert improper fractions to a mixed numeral
    5·2 answers
  • For the data in the table, does y vary directly with x? If it does, write an equation for the direct variation.
    13·2 answers
  • Help for 10 points please
    5·1 answer
  • A tree on a hillside casts a shadow 215 feet down the hill. If the angle of inclination of the hillside is 22 degrees to the hor
    12·1 answer
  • Zaire needs to purchase 600 cans of juice for a birthday party. Juicy juices sells a 6 packs of juice at $3.35 each. Tasty juice
    11·1 answer
  • Select all the sets of three side lengths that will make a triangle.
    15·2 answers
  • Please help me with this homework
    6·1 answer
  • Which equation represents a linear function? Equation 1: y = 2x2 + 1 Equation 2: y2 = 3x + 1 Equation 3: y = 5x − 1 Equation 4:
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!