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Online Quiz (Worksheet A B C D)

Questions Per Quiz = 2 4 6 8 10

Grade 8 - Mathematics
6.17 Multiplication Property - III

Example:
(2x4y3)(-3x9y4) = ______.

Solution:
= 2.x4.y3.(-3).x9.y4
= 2.(-3).(x4.x9).(y3.y4)
= -6.x4+9.y3+4
= -6x13y7


Directions: Solve the following problems. Also write at least ten examples of your own.
Q 1: (9x2y3)(-7xy2) = ______.
-63x2y6
-63x3y5
-63x5y3
63x3y5

Q 2: (-9xy)(-7xy2) = ______.
63x3y2
-63x2y3
-63x3y2
63x2y3

Q 3: (-6x2y)(7xy) = ______.
-42x2y3
42x2y3
-42x3y2
42x3y2

Q 4: (9xy)(-6x2y) = ______.
54x2y3
54x3y2
-54x3y2
-54x2y3

Q 5: (8x3y4)(7x2y3) = ______.
15x6y12
56x5y7
56xy
56x7y5

Q 6: (7x2y2)(15x3y2) = ______.
22x5y4
105x4y5
105x6y4
105x5y4

Question 7: This question is available to subscribers only!

Question 8: This question is available to subscribers only!


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