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Online Quiz (Worksheet A B C D)

Questions Per Quiz = 2 4 6 8 10

MEAP Preparation - Grade 7 Mathematics
2.78 Multiplication of a Monomial and a Binomial - III

Example: Find the product 5x3(9x+7y).
Solution:
5x3(9x+7y) = 5x3.9x + 5x3.7y
= (5.9).(x3.x) + (5.7).(x3.y)
= 45(x3+1) + 35x3y
= 45x4+35x3y
Directions: Solve the following multiplication problems. Also write at least 10 examples of your own.
Q 1: 7x3(9x+7y) = _____ ?
63x4+49x3y
63x2+49x3y
63x3+49x4y

Q 2: 3x3(7x+6y) = _____ ?
21x3+18x4y
21x4+18x3y
21x2+18x3y

Q 3: 5x3(15x+9y) = _____ ?
75x2+45x3y
75x4+45x3y
75x3+45x4y

Q 4: 15x3(7x+15y) = _____ ?
105x2+225x3y
105x3+225x4y
105x4+225x3y

Q 5: 6x3(7x+8y) = _____ ?
42x3+48x4y
42x4+48x3y
42x2+48x3y

Q 6: 7x3(x+7y) = _____ ?
7x2+49x3y
7x4+49x3y
7x3+49x4y

Q 7: 6x3(15x+7y) = _____ ?
90x4+42x3y
90x3+42x4y
90x2+42x3y

Q 8: 4x3(4x+7y) = _____ ?
16x2+28x3y
16x4+28x3y
16x3+28x4y

Question 9: This question is available to subscribers only!

Question 10: This question is available to subscribers only!


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