landonsmith87
landonsmith87
03-05-2017
Mathematics
contestada
6y^3-150y............... x^3-10x^2+21x
Respuesta :
DariusX
DariusX
03-05-2017
6y^3-150y=0 / : y
6y^2-150=0
y^2=150/6
y^2=25
y1=5
y2=-5
x^3-10x^2+21x=0 / : x
x^2-10x+21=0
D=(-10)^2 - 4*1*21 = 100 - 84 = 16
x1 = (10 + 4)/2*1 = 7
x2 = (10 - 4)/2*1 = 3
Answer Link
VER TODAS LAS RESPUESTAS ( 64+ )
Otras preguntas
Choose the correctly spelled words. You were the shadows of a cloud crossing over a _______ of tulips. You were the tears of a man who cried into a plaid _____
A label shows the name of a feature on a map. t/f
Which of the following are the solutions to the equation below (3x+4)^2=14
for a coloring activity, Mr. Smith needs 15 boxes of crayons for 25 students. how many boxes does Mrs. Jones need for 30 students?
AM is a median in △ABC (M∈ BC ). A line drawn through point M intersects AB at its midpoint P. Find areas of △APC and △PMC, if Area of APM=35m^2.
Use the drop-down menus to answer some questions about dermal tissue
Why was Einstein named after Einsteinium This is worth 15 points Please help.
Who created the first photograph? George Eastman John Herschel Joseph Nicephore Niepce William Henry Fox Talbot
You were given a list of things to do before and during your reading as steps to take to better understand Shakespeare explain some of those ideas here and why
Which two lines in this excerpt from Guy de Maupassant's short story "The Prisoners" portray the Prussian soldiers as likable, sensitive people rather than as s
