jmk04 jmk04
  • 15-04-2017
  • Mathematics
contestada

determine all values of K for which the roots of the equation x squared minus 8x + k equal 0 are complex

Respuesta :

Аноним Аноним
  • 15-04-2017
x^2 - 8x + k = 0
for the roots to be complex the discriminant b^2 - 4ac is <  0

(-8)^2 - 4*1*k < 0
-4k < - 64
k >  16
Answer Link

Otras preguntas

Explain how a species can evolve through natural selection.
What is the mean of 87, 93, 86, 90, and 84?
Which of the following organisms can perform alcoholic fermentation? (1) yeast, (2) humans, (3) bacteria. a. 1 and 2 b. 1 and 3 c. 1 only d. 1, 2, and 3
If 8 men can chop down 28 trees in one day, how many trees can 20 men chop down in one day?
Does every point lie in a quadrant?
which factor made the most difference in how agriculture affected the economies of the colonies?
What are the 3 features of a typical seigneurie
Can somoene help me with this question??How might the history of the U.S. have been different if the original thirteen states had been guaranteed a perpetual ma
Which of the following statements is true concerning LUCA? (1) LUCA was a cell. (2) All life on Earth evolved from LUCA. (3) LUCA probably existed probably arou
How did scientists discover the common structure of cells?