امتحان جبر مدرسة صلاح الدين غرب المحلة 2ع نصف العام

[عمر بن الخطاب العادل]

El – Gharbia Governorate Subject : Algebra and Statistics
West El – Mahalla Educational Directorate Preparatory : Two
Salah El – Deen Experimental Language School Time : 2 hours
First Term Exam 2009 / 2010
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Answer The following questions
( 1 ) Choose The correct answer:

( a ) The cube whose value 64 cm3 its side length is …….cm [ 4 , 8 , 16 , 64 ]

( b ) [ 0 , 5 , ±5 , 10]

( c ) If the lower limit of a set is 8 and the upper limit of the same set is 14 , then its centre is ……… [ 8 , 11 , 14 , 22 ].

( d ) The irrational number lies between 3 and 4 is ……… [ ]

( e ) The order of the median = The total of frequency ÷ ….. [ 2 , 3 , 4 , 5 ]

( 2 ) Complete each of the following:
( a ) Q Q\ = ..........

( b ) [ 2 , 7 ] - { 2 , 7 } = ……

( c ) The solution set for the equation X2 + 9 = 0 in R is …….

( d ) The location of the top of the frequency curve on the set axis is …..

( e )

( 3 ) ( a ) If X = [ - 2 , 3 ] , Y = [ 1 , 5 [ , find the following using the number line:
( 1 ) X ∩ Y ( 2 ) X Y

( b ) Reduce to the simplest from .

( 4 )
( a ) Find the solution set in R and graph the solution on the number line.
1 < 2 X + 3 ≤ 9
( b ) The volume of the sphere is 562.5π cm3 . Find its surface area
( 5 ) ( a ) The following table shows the frequency distribution of the scores of40 students in an examination .
26- 22- 18- 14- 10- 6- 2- Sets
2 5 7 10 8 5 3 Frequency
Find the mode of this distribution graphically.
( b ) Arrange the following number descendingly : ( )
Best wishes