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IB MAI HL Geometry & Trigonometry Topic 3.5 Geometric Transformations (id: 036f3

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admin 发表于 2024-2-17 20:21:19 | 显示全部楼层 |阅读模式
本题目来源于试卷: IB MAI HL Geometry & Trigonometry Topic 3.5 Geometric Transformations,类别为 IB数学

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A triangle with verticodn z3(tb 5t 8zbt4w6/ai2 remz3exho rkm82lp)-su;xi)zp (es A(3,5), B(5,2) and C(3,2) is rotated $90^{\circ}$ anticlockwise about O(0,0) and then reflected in the line y=−x. The rotation is represented by matrix A and reflection by matrix B.
1.Write down the matrix :
(1)A; $\begin{pmatrix}
a&b \\
c&d
\end{pmatrix}$ a =    b =    c =    d =   
(2)B.$\begin{pmatrix}
a&b \\
c&d
\end{pmatrix}$ a =    b =    c =    d =   
2.Find the matrix that represents the rotation followed by the reflection. BA = $\begin{pmatrix}
a&b \\
c&d
\end{pmatrix}$ a =    b =    c =    d =   
3.On the following grid, draw the image of the triangle ABC.






参考答案:
空格1: 0空格2: -1空格3: 1空格4: 0空格5: 0空格6: -1空格7: -1空格8: 0空格9: -1空格10: 0空格11: 0空格12: 1


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