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  • 03-04-2017
  • Mathematics
contestada

how many real number solutions does the equation have ?
0=-4x^2+7x-8

Respuesta :

ghanami
ghanami ghanami
  • 03-04-2017
hello :
-4x² +7x-8 = 0
delta = b²-4ac        a=-4   b=7    c=-8
delta = (7)²-4(-4)(-8) =-79
(delta) < 0... no solution in : R
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