Salesian English School
Form 2 Mathematics
Collective Test 5 (Chapter 1)
Name:______________________(______)
Date:________________ Mark:__________/30
Parent’s Signature:___________________
Section A (10 marks): Fill in the blanks on the right. No steps are needed to show.
Answer
1.
If 4( x − 5) − 2 ≡ Ax + B , where A and B are constants,
1.
A = ________________
find the values of A and B.
B = ________________
2.
If ( x − 7)( x + 3) ≡ x 2 + Ex + F , where E and F are constants,
2.
E = ________________
find the values of E and F.
F = ________________
3.
Expand (c − 4)2 .
3. ______________________
4.
Expand (4a − 1)(4a + 1) .
4. ______________________
5.
Factorize 21 p − 7 pq .
5. ______________________
6.
Factorize 9a − 6ab + 3abc .
6. ______________________
7.
Factorize 5(a − 3) + 2b(3 − a ) .
7. ______________________
8.
Factorize x 2 + 4 x + 4 .
8. ______________________
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Section B (20 marks): Unless otherwise specified, steps must be shown clearly.
9. Determine whether 7 a − (a + 4)(a − 3) = − a (a − 6) + 12 is an identity.
10. Expand
(a) 5(2 x − 3 y ) 2
(b)
−4(2 x + 3 y )(2 x − 3 y )
11. (a) Factorize r 2 − 18rs + 81s 2 .
(6 marks)
(7 marks)
(3 marks)
(b) Hence, or otherwise, factorize r 2 − 18rs + 81s 2 − 2r + 18s .
(4 marks)
− END OF PAPER −
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