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

Otras preguntas

Dude what's the difference between a parallel circuit and a series circuit? Cuz idk ????

Who is responsible for combining military and diplomatic activities in their regions of responsibility?

Read this student essay written about Greek mythology. 1. Asclepius, the Greek god of medicine, was responsible for healing in ancient mythology. 2. His daughte

A motor spins a gear with eight teeth. That gear is attached to a gear with 56 teeth. What is the gear ratio A: 10:1 B: 1:7 C: 1:8 D: 56:1

What is the term for the 9 amino acids that our bodies cannot manufacture?

Mañana yo ___ al museo de arte.

.....Help Please.......

If the mean of this distribution is 7, which could be the median? A) 1.5 B) 5 C) 8 D) 10 PLEASE HELP

The RANGE of the function shown is A) [4, 1] B) [4, ∞) C) [1, ∞) D) [0, ∞)

How did Thomas more’s work help spread humanistic ideas