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Infringement complaint *The Grade Eight Mathematics Examination Paper of Shunde District of Foshan City*

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Teaching and Research Alliance Activity Test in the seventh week of the first semester of 2010

Grade eight math test questions

I. Multiple-choice questions (30 points in total, 3 points for each sub-question)

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2. In the following numbers 5, 3.2 and 0.32, the irrational numbers have a total of () 2

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… __… __line __… __… __… _ #… learning…… _… __… __… __… __… __… __… Name Last Name…… _… __… __… __… __ … _Don't… class ………… install ……………………………… 7A 1 B 2 C 3 D 4 2 and 16 The square root is () 2

A, 2 B, 4 C, 2 D, 4 3. In the following statements, the correct one is () 2

A. Negative numbers also have a cubic root B, (3) 2 has no arithmetic square root C,-(3) 2 has 2 square roots D, -a cannot have a square root 4. In the following calculations, the correct one is () 1

A, 8 2 B, (2) 3 2 C, (25) 2 25 D, 25 5

5. Among the triangles composed of three line segments of the following length, the three sides of a right-angled triangle are (A, 9, 12, 13; B, 15, 12, 7; C, 12, 5, 13; D, 12, 18, 6 6. In ABC, C 90, AB = 10, AC = 6, then BC = () 1 A, 16 B, 136 C, 4 D, 8

7. After reducing three sides of a right-angled triangle at the same time by 2 times, the resulting triangle is () 1 A acute-angled triangle B right-angled triangle C obtuse-angled triangle D cannot be determined 8. Among the following graphic transformations, the translational transformation is ()

3

ABCD

9. As shown in the figure, the triangle that △ OFE can obtain through translation is (

A, △ BCO B, △ COD C, △ DEO D, △ AOF

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