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Online Quiz (WorksheetABCD)

Questions Per Quiz = 2 4 6 8 10

MEAP Preparation - Grade 7 Mathematics2.82 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: 8x2(8x2+6xy+7yz) = ______ ?18x3+21x2y+27x2y42x4+49xy+63x2y64x3+42x2y+56x2yz64x4+48x3y+56x2yz Q 2: 6x2(7x+9xy+7z) = ______ ?30x3+35x2y3+35x3y42x4+49xy+63x2y42x4+54x3y+42x2z42x3+54x2y+42x2z Q 3: 3x2(6x2+7xy+9z) = _____ ?30x3+35x2y3+35x3y18x4+21x3y+27x2y18x3+21x2y+27x2z18x3+21x2y+27x2y Q 4: 9x2(7x2+9y+7z) = _______ ?63x4+81x2y+63x2z63x4+8x2y+63x2z30x3+35x2y3+35x3y63x4+81x2y+63x3z Q 5: 4x2(6x2+7x2y+9xz) = _____ ?18x3+21x2y+27x2z42x4+49xy+63x2z24x4+28x4y+36x3z24x3+28x3y+36x2z Q 6: 15x2(7x2+6x+9y) = ______ ?105x4+90x3+135x2y105x3+21x2y+27x2y30x3+35x2y3+35x3y105x3+90x2+135x2y Q 7: 10x2(6x+9y+8xz) = ______ ?60x3+21x2y+27x2y30x3+35x2y3+35x3y60x3+90x2y+80x3z60x2+90x3y+80x3z Q 8: 5x2(6x+7xy2+7xz) = ______ ?30x3+35x2y3+35x3z30x3+35x3y2+35x3z30x3+35x2y3+35x3z18x3+21x2y+27x2z Question 9: This question is available to subscribers only! Question 10: This question is available to subscribers only!