keely2001 keely2001

12-04-2017
Mathematics

contestada

What is the x of 2/3x squared minus 6x plus 15

Respuesta :

wolf1728 wolf1728

12-04-2017

(2/3)x^2 -6x + 15 = 0
Using the quadratic formula:
x = [-b +-sq root(b^2 - 4 *a*c)] / 2a
x= [--6 +-sq root(36 -4*(2/3)*15] / 2*(2/3)
x= [6 +-sq root 36 -40] / (4/3)

x1 = 4.5 + (2i / (4/3))
x1 = 4.5 + 1.5i
x2 = 4.5 - (2i / (4/3))
x2 = 4.5 - 1.5i

Answer Link

Otras preguntas

What is another way to write x-.05p?

Can you form a right triangle with the three lengths given? Why or why not? 7 in., 24 in., 25 in.

Which excerpt from The Odyssey best shows Odysseus demonstrating the epic hero traits of strength and leadership? This was an army, trained to fight on horseba

how did the monarchy's power change from charles I to George I?

find sec(2Arcsin (-1/3))

___________ pertains to the responsibilities supervisors have to oversee the actions of their supervisees.

Which term describes a function in which there is a common difference between each y-value?

The function H(t) = −16t2 + 96t + 80 shows the height H(t), in feet, of a projectile after t seconds. A second object moves in the air along a path represented

verticle asymtote of the function f(x)=3/x+5

Two friends are standing on opposite ends of a canoe. The canoe is at rest with respect to the lake. Then the friend at the north end of the canoe throws a very