kkent61 kkent61

04-04-2018
Mathematics

contestada

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

Respuesta :

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

Hypothesis: The angle of incidence affects the angle of reflection Independent variable: Dependent variable Control variables:

P Q and R are partner share profit equally . they decide that in future R will get 1/5th share of the profit and P ,Q will share equallon the day of chnge firm

write a article on famous places in UAE

Infant is to infancy as delinquent is to?

Differentiate. f(t) = [tex]\frac{\sqrt[3]{x}}{x-6}[/tex]

Which of the following groups cannot form a triangle? A. 4,8,5B. 3, 4，5 C. 6, 6, 12 D. 3, 3, 5

Please help me asap!!!

An experimenter wants to make a layer of carbon 70.0 Angstroms thick by evaporating carbon onto a clean glass surface in vacuum. (1Angstrom=10−10m .) He first l

9. Separating funnel is used to separate immiscible liquids based on their __________

Japan has always had deep-rooted hatred towards our country, and even Japan often carries out personal attacks on our citizens. Not long ago, our country was de