marull1744 marull1744
  • 25-05-2022
  • Mathematics
contestada

What are the solutions of the equation y = -2x square + 9x - 4

Respuesta :

alexanderorangeguy
alexanderorangeguy alexanderorangeguy
  • 25-05-2022

Answer:

x = (-1±i√3)/2

Step-by-step explanation:

y = -2x² + 9x - 4

x = (-b±√(b²-4ac))/2a

x = (2±√((-2)²-4(-1)(-4))/2(-2)

x = (2±√(4-16))/-4

x = (2±√-12)/-4

√-12 = √12 x √-1

√12 = √4√3

2i√3

x = (-1±i√3)/2

Answer Link

Otras preguntas

Read "I Wandered Lonely as a Cloud" by William Wordsworth: I wandered lonely as a cloud That floats on high o'er vales and hills, When all at once I saw a crow
help!!!!! please!!!!
why did the new deal slow down in 1937 and 1938?
The driver told kay and ______ about the monster truck race. Which identifies the best pronoun to complete the sentence and explains its use? They; Direct Objec
I need help for A-B-C-D-E please:)
a federal court can strike down a state or federal law if it finds that the law ...
What value for p makes this equation true? 4 • p = (4 • 10) + (4 • 6) PLZ HELP 25 POINTS!!!!!
The colors of jupiter's clouds suggest the presence of ________.
draw algebra tile models to prove that 4+8x and 4 (2x+1) are equivalent
were did Gary Paulsen teach?