trinity124 trinity124
  • 07-09-2015
  • Mathematics
contestada

X-squared plus twenty-five equals zero

Respuesta :

AL2006
AL2006 AL2006
  • 07-09-2015
Subtract 25 from each side of that equation, and it says that x-squared = negative 25. 'X' can't be any real number. If you know how to work with imaginary numbers, you'll know that the two solutions are x=5i and x=-5i ... the ' i ' is the symbol meaning the square root of -1 .
Answer Link

Otras preguntas

Round 956 to the nearest 5
Which sentence uses the underlined vocabulary word incorrectly? A. The raccoons rendezvoused around the garbage can. B. I wondered about the incredulity of the
Help! ASAP ONLY IF YOU KNOW ty!
explain the military strategies of the union or the confederacy
what's 2 1/8 - 1 7/8​
the ratio of yachts to sloops in the bay was 3 to 7. if there were 54 yachts in the bay, how many sloops were there?
List one factor that could cause demand to decrease for certain goods during a pandemic.
self-employment is today's need​
A train travels 60 km in 1 hour. How long will it take to go 150 km, if the speed is uniform
Which of the following statements is the most accurate? A. Victor fails to recognize his role in terms of plot development. B. Victor’s testimony gives people t