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 need help with this Question for school write 77 as a product of prime factors in expanded form.
which arguments were used by the Pope and the emperor in the Middle Ages to justify their superior power over another​
why was west Africa important to the Europeans
What difficulties did African Americans and second‐generation Americans face in America between the 1940s and 1960s, and how did at least two of the writers in
Wha is the equivalent radical expression of the exponential expression below? X1/2
Describe how you can stay mentally healthy in your work play?
NEED HELP URGENT!! :))))
The marks obtain by 10 students are 25 30 21 55 47 10 15 17 45 35. What is the probability that a student selected at random has marks more than the average mar
Can anyone help me find the coordinates (?,?) given that the shape is a parallelogram? (15 points)
Can anyone tell me what this is in English? It’s in simplified Chinese.