1) x_0=-b/(2a)=7/4=1,75
y_0=-b^2/(4a)+c=-49/8+3=-25/8=-3,125
2) x=0, y=3,
3)y=0,
2x^2-7x+3=0,
D=25,
x_1=0,5, x_2=3
1) x_0=-b/(2a)=7/4=1,75
y_0=-b^2/(4a)+c=-49/8+3=-25/8=-3,125
2) x=0, y=3,
3)y=0,
2x^2-7x+3=0,
D=25,
x_1=0,5, x_2=3