landonsmith87 landonsmith87
  • 03-05-2017
  • Mathematics
contestada

6y^3-150y............... x^3-10x^2+21x

Respuesta :

DariusX
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

Otras preguntas

which act stated that parliament did have right to tax colonist
A grocery store gives away a $10 gift card to every 25th customer and a $20 gift card to every 60th customer. Which customer will be the first to receive both
Reid ate 1/4 if pie, joe ate 1/3 of pie. How much was left after they both ate their pieces
6.88 written as a percent
compare and contrast the structure of the daughter cells with that of the original parent cell
Show how to solve the problem 378x6 using place value with regrouping. Explain how you knew when to regroup.
mercury thermometer was invented by
What is 8.517 in word form
The concept of protected rights began with: A) the Magna Carta B) Enlightenment C) English Bill of Rights D) Great Awakening
What is 7 hundred x 10 in unit form?