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Online Quiz (WorksheetABCD)

Questions Per Quiz = 2 4 6 8 10

MEAP Preparation - Grade 7 Mathematics2.86 Multiplication - II

 Directions: Using the definitions given below, solve the problems given in the questions. A = 3x+4y+7z B = 7x+7y+3z C = 2x+9y+z D = 3x+2y+7z
 Q 1: AD = _____ ?9x2+8y2+49z2+18xy+42zx+42zy6x2+27y2+7z2+35xy+17zx+67zy21x2+28y2+21z2+49xy+58zx+61yz Q 2: 2AB + 3CD = _____ ?54x2+92y2+56z2+160xy+150xz+252yz7x2-35y2+18z2-21xy+45zx+27zy-9x2+49y2-18z2+42xy-45xz-21yz Q 3: CD = _____ ?21x2+14y2+21z2+35xy+58zx+55zy14x2+63y2+3z2+77xy+13zx+34zy6x2+18y2+7z2+31xy+17zx+65zy Q 4: BD = _____ ?14x2+63y2+3z2+77xy+13zx+34zy6x2+18y2+7z2+31xy+17zx+65zy21x2+14y2+21z2+35xy+58zx+55zy Q 5: AD - AC = _____ ?3x2-19y2-42z2-17xy+25xz-25yz-9x2+49y2-18z2+42xy-45xz-21yz7x2-35y2+18z2-21xy+45zx+27zy Q 6: AB - BC = _____ ?7x2-35y2+18z2-21xy+45zx+27zy3x2-19y2-42z2-17xy+25xz-25yz-9x2+49y2-18z2+42xy-45xz-21yz Q 7: BC = _____ ?6x2+18y2+7z2+31xy+17zx+65zy21x2+14y2+21z2+35xy+58zx+55zy14x2+63y2+3z2+77xy+13zx+34zy Q 8: BC - BD = _____ ?3x2-19y2-42z2-17xy+25xz-25yz7x2-35y2+18z2-21xy+45zx+27zy-9x2+49y2-18z2+42xy-45xz-21yz Question 9: This question is available to subscribers only! Question 10: This question is available to subscribers only!