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Online Quiz (Worksheet A B C D)

Questions Per Quiz = 2 4 6 8 10

Grade 7 - Mathematics
4.51 Special Products and Expansions Review Test

Q 1: (x-2).(x+1) = _____?
x2-x-2
x2+x-2
x2-x+2

Q 2: Express 30x2 + 45xy as product of factors.
3x(2x+15y)
2x(15x+3y)
15x(2x+3y)

Q 3: Multiply (3x+2) with (3x-5).
9x2-9x-10
9x2-9x+10
9x2+9x-10

Q 4: (2x+2)2 = _____?
49x2+8x+4
4x2+8x+4
4x2+8x

Q 5: 25x2 + ..... + 4y4 .
20xy2
5x2
10xy2
15xy2

Q 6: 12(3x+6y+4z) = _____?
Answer:

Q 7: (x+9).(3x-5) = _____?
3x2+20x-45
3x2-22x+45
3x2+22x-45

Q 8: 9a2 - (3a+4b)2 = _____?
-4b(6a+4b)
4b(6a+4b)
-4b(6a-4b)

Question 9: This question is available to subscribers only!

Question 10: This question is available to subscribers only!


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