Luhtmj146 Luhtmj146
  • 18-03-2017
  • Mathematics
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using the discriminat the number and type of solutions for this equation 5x^2-10-2=0.


using the discriminat the number and type of solutions for this equation 5x21020 class=

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ghanami
ghanami ghanami
  • 18-03-2017
Hello
5x²-10x-2=0
the discriminat delta = b²-4ac       a = 5     b =-10    c =-2
delta = (-10)²-4(5)(-2) =100+40 =140
delta > 0 :
two real ,irrational, unequal numbers
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