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Online Quiz (Worksheet A B C D)

Questions Per Quiz = 2 4 6 8 10

MEAP Preparation - Grade 7 Mathematics
2.77 Multiplication of a Monomial and a Binomial - II

Example: Find the product of 5x2(9x+7y).
Solution:
5x3(9x+7y) = 5x2.9x + 5x2.7y
= (5.9).(x2.x) + (5.7).(x2.y)
= 45(x2+1) + 35x2y
= 45x3+35x2y
Directions: Solve the following multiplication problems. Also write at least 10 examples of your own.
Q 1: 7x2(15x+7y) = _____ ?
105x3+49x2y
105x3+49x3y
105x2+49x3y

Q 2: 6x2(15x+7y) = _____ ?
90x2+42y3x
90x3+42x2y
90x2+42x3y

Q 3: 7x2(3x+9y) = _____ ?
21x2+63x3y
21x3+63x3y
21x3+63x2y

Q 4: 7x2(5x+10y) = _____ ?
35x3+70y2x
35x3+70x2y
35x2+70x3y

Q 5: 2x2(15x+19y) = _____ ?
30x3+38x3y
30x3+38x2y
30x2+38x3y

Q 6: 15x2(7x+15y) = _____ ?
105x2+225x3y
105x3+30x2y
105x3+225x2y

Q 7: 5x2(x+5y) = _____ ?
5x2+25x3y
5x3+10x2y
5x3+25x2y

Q 8: 6x2(7x+8y) = _____ ?
42x3+48x2y
42x3+48y2x
42x2+48x3y

Question 9: This question is available to subscribers only!

Question 10: This question is available to subscribers only!


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