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Grade 7 - Mathematics
4.51 Special Products and Expansions Review Test

Q 1: ..... + 36xy2 + 9y4 .
32x3
60x2
36x2
6x2

Q 2: Divide [(9a)3-(8b)3] by (9a-8b).
81a2-72ab+64b2
81a3+72ab+64b3
81a2+72ab+64b2

Q 3: (7x-5)2 = _____?
49x2+70x-25
35x2-30x+12
14x2-35x+10
49x2-70x+25

Q 4: (5x-4)2 = _____?
5x2-20x+4
25x2-40x+16
45x2+40x+16
20x2+20x+10

Q 5: (17x+9)(4y+7) = _____?
68x+129x+36y+63
68x+119x+36y+63
68x+119x+34y+63

Q 6: 5x3-8x2+5x+9, find the value of given expression when x=2.
26
23
27
25

Q 7: 5x3+6x2-9x+2, find the value of given expression when x=3.
162
164
160
166

Q 8: Multiply (x-7) with (x2+1).
x3-7x2+x-7
x3-7x2+x+7
x3-7x2-x+7

Question 9: This question is available to subscribers only!

Question 10: This question is available to subscribers only!


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