Datrys y_{0}=4*(-1/8)^2+1/8-3

$$y _ { 0 } = 4 \cdot ( \frac { - 1 } { 8 } ) ^ { 2 } + \frac { 1 } { 8 } - 3$$

Datrys ar gyfer y_0

$$y_{0} = -\frac{45}{16} = -2\frac{13}{16} = -2.8125$$

Camau ar gyfer Datrys Hafaliad Llinol

Gellir ailysgrifennu \frac{-1}{8} fel -\frac{1}{8} drwy echdynnu’r arwydd negatif.

$$y_{0}=4\left(-\frac{1}{8}\right)^{2}+\frac{1}{8}-3$$

Cyfrifo -\frac{1}{8} i bŵer 2 a chael \frac{1}{64}.

$$y_{0}=4\times \frac{1}{64}+\frac{1}{8}-3$$

Lluosi 4 a \frac{1}{64} i gael \frac{1}{16}.

$$y_{0}=\frac{1}{16}+\frac{1}{8}-3$$

Adio \frac{1}{16} a \frac{1}{8} i gael \frac{3}{16}.

$$y_{0}=\frac{3}{16}-3$$

Tynnu 3 o \frac{3}{16} i gael -\frac{45}{16}.

$$y_{0}=-\frac{45}{16}$$

Neilltuo y_0

$$y_{0}≔-\frac{45}{16}$$