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62nd Prep – 2nd Term Revision
1) Factorize each of the following expressions: 1) 3𝒳2-14𝒳-5------------------------------------------------------------------------------------------------------------------------------------------------------------------2) 2𝒳2 -5𝒳y+ 2y2------------------------------------------------------------------------------------------------------------------------------------------------------------------3) 6a2+5ab + b2------------------------------------------------------------------------------------------------------------------------------------------------------------------4) 10a2 +11ab-18b2------------------------------------------------------------------------------------------------------------------------------------------------------------------5) 7𝒳4 +23𝒳2y -30y2------------------------------------------------------------------------------------------------------------------------------------------------------------------6) 6𝒳2 -21𝒳+18---------------------------------------------------------------------------------
===============================================2) Find the missing term in each of the following trinomial expressions to be a perfect square expression:1) 4𝒳2 …………. + 1
2) a2 – 6 a + ………….
3) …………. - 18 y2 + 81
4) 9a2 …………. + 36
5) 4𝒳2 + 28𝒳 + ………….
6) …………. -24 ab + 16b2
Alsun Modern School
62nd Prep – 2nd Term Revision
3)Complete the following:1) Surfaces of two parallelograms with common base and between two
paralled straight lines, one is carrying this base, are …………………….
2) The parallelogram and ………….. with common base and between
two paralled straight lines are equal in area.
3) The area of parallelogram = …………. X …………………
4) The areas of the parallelograms with bases equal in length and
lying on a straight line, while the opposite sides to these bases are on
another straight line, are ………………….
5) The two triangles drawn on a common base and their vertices
located on a straight line parallel to the base are ……………….
6) Triangles with congruent bases and drawn between two parallel
lines are …………..
7) The median in the triangle divides its area into …………………
7) In the opposite figure: ABCD and XBCY are two prallelograms,X∈ AD
And the area of ∆ XCY = 15 cm2.Find: the area of ABCD
Alsun Modern School
62nd Prep – 2nd Term Revision
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------8) In the opposite figure: ABC is a right-angled triangle at A ,
AD MBC , AB=4cm andAC=3 cm
Find:1) the area of ∆ ABC 2) the length of AD
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------9) In the opposite figure: ABCD is a rectangle, ABEF is a prallelogram
,D∈CF ,X∈BE ,E∈CF , AB=4cm andBC=10 cm
Find by proof:1) the area of ABEF 2) the area of ∆ XAF