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Online Quiz (Worksheet A B C D)

Questions Per Quiz = 2 4 6 8 10

Grade 6 - Mathematics
12.57 Multiplication of a Monomial and a Binomial - I

Example: Find the product of 5x(9x+7y).
Solution:
5x(9x+7y) = 5x.9x + 5x.7y
= (5.9).(x.x) + (5.7).(x.y) = 45(x1+1) + 35xy
= 45x2+35xy
Directions: Solve the following multiplication problems. Also write at least 10 examples of your own.
Q 1: 7x(15x+7y) = _____ ?
105x2+49y
49x2+105xy
105x2+49xy

Q 2: 6x(15x+7y) = _____ ?
90x3+75xy
90x2+42xy
90x2+13xy

Q 3: 6x(7x+8y) = _____ ?
42x2+48xy
42x3+78xy
42x2+64xy

Q 4: 5x(15x+9y) = _____ ?
75x2+45xy
75x2+14xy
75x+45x2y

Q 5: 2x(15x+19y) = _____ ?
30x2+38xy
30x2+21xy
30x2+35xy

Q 6: 7x(x+5y) = _____ ?
7x2+55xy
7x2+12xy
7x2+35xy

Q 7: 3x(7x+19y) = _____ ?
57x2+21xy
21x2+57xy
21x2+57y

Q 8: 15x(7x+15y) = _____ ?
105x2+225y
225x2+105xy
105x2+225xy

Question 9: This question is available to subscribers only!

Question 10: This question is available to subscribers only!


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