joshuateamhitp1w3vs joshuateamhitp1w3vs
  • 01-01-2018
  • Mathematics
contestada

1. Solve x2-4x+18=0.

Respuesta :

lesliekolleroxrkcf
lesliekolleroxrkcf lesliekolleroxrkcf
  • 01-01-2018
x²-4x+18=0

x= 4 ± √(16-4*1*18) / 2

x=4±√(16-72) /2

x= 4 ± √-56 /2

x = 4±2i√14 / 2

x= 2±√14 * i




Answer Link
iriesm
iriesm iriesm
  • 22-12-2019

Answer:

The answer is C I just took the test

Answer Link

Otras preguntas

I am struggling hard out with linear algebra in math level one
Which compound is an unsaturated hydrocarbon? (1) hexanal (3) hexanoic acid (2) hexane (4) hexyne
What is the total number of protons in an atom with the electron configuration 2-8-18-32-18-1? (1) 69 (3) 118 (2) 79 (4) 197
Can Jet Fuel burn through Steel Pipes?
I need help factoring this trinomeal: 2x squared + 3x + 1
Which approach best defines how writers of historical fiction try to appeal to readers?
Which solution has the greatest buffer capacity?
Atoms of different isotopes of the same element differ in their total number of (1) electrons (3) protons (2) neutrons (4) valence electrons
a glacier that covers a wide area is called a
divide £56 in a ratio of 4:3