gaokao 2022 Q3

gaokao · China · national-I Vectors Introduction & 2D Expressing a Vector as a Linear Combination

3. In $\triangle A B C$, point $D$ is on side $A B$ with $B D = 2 D A$. Let $\overrightarrow { C A } = m$ and $\overrightarrow { C D } = n$. Then $\overrightarrow { C B } =$
A. $3 m - 2 n$
B. $- 2 m + 3 n$
C. $3 \boldsymbol { m } + 2 \boldsymbol { n }$
D. $2 m + 3 n$

Please keep the answer sheet clean. After the exam ends, submit both the test paper and answer sheet together.

3. In $\triangle A B C$, point $D$ is on side $A B$ with $B D = 2 D A$. Let $\overrightarrow { C A } = m$ and $\overrightarrow { C D } = n$. Then $\overrightarrow { C B } =$\\
A. $3 m - 2 n$\\
B. $- 2 m + 3 n$\\
C. $3 \boldsymbol { m } + 2 \boldsymbol { n }$\\
D. $2 m + 3 n$

Paper Questions

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