Horizontal and Vertical Lines.
- The equation of the horizontal line passing through \((0, b)\) is\begin{gather*} \blert{y=b} \end{gather*}
- The equation of the vertical line passing through \((a,0)\) is\begin{gather*} \blert{x=a} \end{gather*}
Number | Negative reciprocal |
Their product |
\(\dfrac{2}{3} \) | \(\dfrac{-3}{2} \) | \(\dfrac{2}{3}\left(\dfrac{-3}{2}\right)=-1 \) |
\(\dfrac{-5}{2} \) | ||
\(6 \) | ||
\(-4\) | ||
\(-1 \) |
Number | Negative reciprocal |
Their product |
\(\dfrac{2}{3} \) | \(\dfrac{-3}{2} \) | \(-1 \) |
\(\dfrac{-5}{2} \) | \(\dfrac{2}{5}\) | \(-1\) |
\(6 \) | \(\dfrac{-1}{6} \) | \(-1\) |
\(-4\) | \(\dfrac{1}{4} \) | \(-1\) |
\(-1 \) | \(1\) | \(-1\) |