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Online Quiz (Worksheet A B C D)

Questions Per Quiz = 2 4 6 8 10

MEAP Preparation - Grade 7 Mathematics
2.82 Multiplication of a Monomial and a Trinomial - II

Example: 5x2(7x2+9x+7xy2) = _____ ?
Solution:
(5x2.7x2)+(5x2.9x)+ (5x2.7xy2)
= (5.7)(x2.x2)+(5.9)(x2.x)+(5.7)(x2.xy2)
= 35x4+45x3+35x2y2
Directions: Solve the following multiplication problems. Also write at least 10 examples of your own.
Q 1: 10x2(6x+9y+8xz) = ______ ?
30x3+35x2y3+35x3y
60x3+21x2y+27x2y
60x3+90x2y+80x3z
60x2+90x3y+80x3z

Q 2: 7x2(6x2+7y+9z) = _____ ?
42x3+35x2y3+35x3z
18x3+21x2y+27x2z
42x4+49xy+63x2z
42x4+49x2y+63x2z

Q 3: 9x2(7x2+9y+7z) = _______ ?
30x3+35x2y3+35x3y
63x4+8x2y+63x2z
63x4+81x2y+63x3z
63x4+81x2y+63x2z

Q 4: 5x2(6x2+7xy+9z) = ______ ?
18x3+21x2y+27x2y
30x4+35x3y+45x2z
42x4+49xy+63x2y
30x3+35x2y+45x2z

Q 5: 3x2(6x2+7xy+9z) = _____ ?
18x4+21x3y+27x2y
30x3+35x2y3+35x3y
18x3+21x2y+27x2z
18x3+21x2y+27x2y

Q 6: 15x2(7x2+6x+9y) = ______ ?
105x3+90x2+135x2y
30x3+35x2y3+35x3y
105x4+90x3+135x2y
105x3+21x2y+27x2y

Q 7: 6x2(7x+9xy+7z) = ______ ?
42x3+54x2y+42x2z
30x3+35x2y3+35x3y
42x4+54x3y+42x2z
42x4+49xy+63x2y

Q 8: 4x2(6x2+7x2y+9xz) = _____ ?
42x4+49xy+63x2z
18x3+21x2y+27x2z
24x3+28x3y+36x2z
24x4+28x4y+36x3z

Question 9: This question is available to subscribers only!

Question 10: This question is available to subscribers only!


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