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 ( 14+ )
Otras preguntas
The triglycerides in animals tend to be solids (i.e., fats) at room temperature whereas the triglycerides in plants tend to be liquids (i.e., oils) at room temp
NEED Answer ASAP!!! Will mark BRAINLY Carl owns a business that makes signs. A new office complex would like to have signs throughout the buildings. They are l
WILL GIVE BRAINLIEST IF CORRECT I PROMISE The courage that my mother had Went with her, and is with her still: Rock from New England quarried; Now granite in a
A bag contains only 3 blue disks, 3 green disks, and 4 orange disks. If 3 disks are selected at random from the bag, what is the probability that 1 of the disks
energy is needed to form glucose bonds true or false
Who were these people and what are their significance to the early years of exploration: Bartholomew Dias, Prince Henry the Navigator, Ferdinand Magellan, Vasco
According to the law of reflection, which statement must be true? The measure of angle A equals the measure of angle B. The measure of angle B equals the measur
What clues show that the speakers are prepared for the group discussion? Check all that apply. They wait their turn to present an opinion to the group. They ag
Most Swiss starlings produce four to five eggs in each clutch. Those producing fewer or more than this have reduced fitness. Which of the following terms best d
What happens when heat is added or removed from an object
