Bài tập Viết phương trình đường thẳng đi qua 1 điểm và vuông góc với mặt phẳng cho trước lớp 12 (có lời giải)

A. \(\left\{ \begin{array}{l}x = 1 + 2t\\y = - 2 - t\\z = 3 + 3t\end{array} \right.\);

B. \(\left\{ \begin{array}{l}x = - 1 + 2t\\y = 2 - t\\z = - 3 + 3t\end{array} \right.\);

C. \(\left\{ \begin{array}{l}x = 2 + t\\y = - 1 - 2t\\z = 3 + 3t\end{array} \right.\);

D. \(\left\{ \begin{array}{l}x = 1 - 2t\\y = - 2 - t\\z = 3 - 3t\end{array} \right.\).

A. \(\left\{ \begin{array}{l}x = 2 + t\\y = - 1 + 2t\\z = 3 - 3t\end{array} \right.\);

B. \(\left\{ \begin{array}{l}x = - 1 + 2t\\y = - 2 - t\\z = 3 + 3t\end{array} \right.\);

C. \(\left\{ \begin{array}{l}x = 1 + 2t\\y = 2 - t\\z = - 3 + 3t\end{array} \right.\);

D. \(\left\{ \begin{array}{l}x = 1 - 2t\\y = 2 - t\\z = - 3 - 3t\end{array} \right.\).

A. \(\left\{ \begin{array}{l}x = 1 + 2t\\y = - 2 + t\\z = 2 - 3t\end{array} \right.\);

B. \(\left\{ \begin{array}{l}x = 1 + t\\y = - 2 - 2t\\z = 2 + t\end{array} \right.\);

C. \(\left\{ \begin{array}{l}x = 2 + t\\y = 1 - 2t\\z = - 3 + 2t\end{array} \right.\);

D. \(\left\{ \begin{array}{l}x = - 1 + 2t\\y = 2 + t\\z = - 2 - 3t\end{array} \right.\).

A. \(\left\{ \begin{array}{l}x = 1 + t\\y = 1 + 3t\\z = 1 - t\end{array} \right.\);

B. \(\left\{ \begin{array}{l}x = 1 + t\\y = 3t\\z = 1 - t\end{array} \right.\);

C. \(\left\{ \begin{array}{l}x = 1 + 3t\\y = 1 + 3t\\z = 1 - t\end{array} \right.\);

D. \(\left\{ \begin{array}{l}x = 1 + 3t\\y = 1 + 3t\\z = 1 + t\end{array} \right.\).

A. \({d_1}:\frac{x}{1} = \frac{{y - 1}}{{ - 1}} = \frac{z}{2}\);

B. \({d_2}:\frac{x}{1} = \frac{{y + 1}}{{ - 1}} = \frac{z}{{ - 1}}\);

C. \({d_3}:\frac{x}{1} = \frac{{y - 1}}{{ - 1}} = \frac{z}{{ - 1}}\);

D. \({d_4}:\left\{ \begin{array}{l}x = 2t\\y = 0\\z = - t\end{array} \right.\).

A. \(\left\{ \begin{array}{l}x = 1 + t\\y = 1\\z = 1\end{array} \right.\);

B. \(\left\{ \begin{array}{l}x = 1\\y = 1\\z = 1 + t\end{array} \right.\);

C. \(\left\{ \begin{array}{l}x = 1 - t\\y = 1\\z = 1\end{array} \right.\);

D. \(\left\{ \begin{array}{l}x = 1\\y = 1 + t\\z = 1\end{array} \right.\).

A. \(\left\{ \begin{array}{l}x = 2 + t\\y = - 5 + 2t\\z = 1 - t\end{array} \right.\);

B. \(\left\{ \begin{array}{l}x = 3 + 2t\\y = - 3 - 5t\\z = 1 + t\end{array} \right.\);

C. \(\left\{ \begin{array}{l}x = 1 + 2t\\y = 2 - 5t\\z = 1 + t\end{array} \right.\);

D. \(\left\{ \begin{array}{l}x = 3 - 2t\\y = - 3 + 5t\\z = - t\end{array} \right.\).

A. \(\left\{ \begin{array}{l}x = 1 + 2t\\y = - 2 - t\\z = 1 + t\end{array} \right.\);

B. \(\left\{ \begin{array}{l}x = 1 + 2t\\y = - 2 - 4t\\z = 1 + 3t\end{array} \right.\);

C. \(\left\{ \begin{array}{l}x = 2 + t\\y = - 1 - 2t\\z = 1 + t\end{array} \right.\);

D. \(\left\{ \begin{array}{l}x = 1 + 2t\\y = - 2 - t\\z = 1 + 3t\end{array} \right.\).

A. \(\frac{{x + 2}}{1} = \frac{y}{{ - 2}} = \frac{z}{{ - 1}}\);

B. \(\frac{{x - 1}}{1} = \frac{{y - 2}}{2} = \frac{{z - 1}}{1}\);

C. \(\frac{{x + 1}}{1} = \frac{{y + 2}}{{ - 2}} = \frac{{z + 1}}{{ - 1}}\);

D. \(\frac{{x - 2}}{2} = \frac{y}{{ - 4}} = \frac{z}{{ - 2}}\).

A. \(\frac{{x - 2}}{{ - 2}} = \frac{{y + 3}}{4} = \frac{{z - 6}}{3}\);

B. \(\frac{{x + 2}}{2} = \frac{{y - 4}}{{ - 3}} = \frac{{z - 3}}{6}\);

C. \(\frac{{x + 2}}{{ - 2}} = \frac{{y - 3}}{4} = \frac{{z + 6}}{3}\);

D. \(\frac{{x - 2}}{2} = \frac{{y + 4}}{{ - 3}} = \frac{{z + 3}}{6}\).