Y=-1/x а)y=-3x² б)2x²+1

Question

Y=-1/x а)y=-3x² б)2x²+1

Answer 1

y=2x^2-3x+1D=(-3)^2-4*2*1=9-8=1>0x1=3+1/4=1x2=3-1/4=1/2 x1=1x2=1/2