Y=2x^2-3x+1

Question

Y=2x^2-3x+1

Answer 1

y=2x^2-3x+1

D=(-3)^2-4*2*1=9-8=1>0

x1=3+1/4=1

x2=3-1/4=1/2

 

x1=1

x2=1/2

Answer 2

y=2x^2-3x+1

d=9-4*2*2=1

x1=3-1/4=0.5

x2=3+1/4=1

x=-b/2a=3/4=0.75

f(-b/2a)=2*(0.75)^2-3*(0.75)+1=-0.125

 

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