kkent61 kkent61
  • 04-04-2018
  • Mathematics
contestada

what are the solutions of the equation Z ^ 2 - 6z - 27 equals 0

Respuesta :

kiaratatiana7p6mdlk
kiaratatiana7p6mdlk kiaratatiana7p6mdlk
  • 04-04-2018
Z^2 - 6z - 27 = 0 you need to factor out firts then solve for z
(z+3 )(z-9) = 0
 z+ 3 = 0 
z = -3  

z-9= 0
z = 9  
Answer Link

Otras preguntas

Which is the same as 0.08? A) 80% B) 80/100 C) 8% D) 0.8
when we look at a leaf, we see the colors of light that are reflected off its surface. how does the relatively low flow of oxygen in green light?
Luke made a model that has 1 circular base and 1 curved surface.what solid figure did he make
What is the main religion of Latin america
How do you work out the problem 84 divided by4
Why did president Washington want the United States to remain neutral
how is the expression of sex linked genes both  similar to and different from the expression of autosomal genes?
What culture believes health is harmony between man and nature?
State two ways in which a single-celled organism, such as amoeba, and a human body are alike?
A number cube is rolled 24 times and lands on 2 four times and on 6 three time. Find the experimental probability of not landing on a 6