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Online Quiz (Worksheet A B C D)

Questions Per Quiz = 2 4 6 8 10

MEAP Preparation - Grade 7 Mathematics
2.86 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: 2AB + 3CD = _____ ?
7x2-35y2+18z2-21xy+45zx+27zy
-9x2+49y2-18z2+42xy-45xz-21yz
54x2+92y2+56z2+160xy+150xz+252yz

Q 2: AB = _____ ?
21x2+28y2+21z2+49xy+58zx+61yz
6x2+27y2+7z2+35xy+17zx+67zy
9x2+8y2+49z2+18xy+42zx+42zy

Q 3: AD - AC = _____ ?
3x2-19y2-42z2-17xy+25xz-25yz
7x2-35y2+18z2-21xy+45zx+27zy
-9x2+49y2-18z2+42xy-45xz-21yz

Q 4: AD = _____ ?
6x2+27y2+7z2+35xy+17zx+67zy
9x2+8y2+49z2+18xy+42zx+42zy
21x2+28y2+21z2+49xy+58zx+61yz

Q 5: AC = _____ ?
6x2+27y2+7z2+35xy+17zx+67zy
21x2+28y2+21z2+49xy+58zx+61yz
9x2+8y2+49z2+18xy+42zx+42zy

Q 6: AB - BC = _____ ?
7x2-35y2+18z2-21xy+45zx+27zy
-9x2+49y2-18z2+42xy-45xz-21yz
3x2-19y2-42z2-17xy+25xz-25yz

Q 7: BC = _____ ?
21x2+14y2+21z2+35xy+58zx+55zy
6x2+18y2+7z2+31xy+17zx+65zy
14x2+63y2+3z2+77xy+13zx+34zy

Q 8: CD = _____ ?
6x2+18y2+7z2+31xy+17zx+65zy
21x2+14y2+21z2+35xy+58zx+55zy
14x2+63y2+3z2+77xy+13zx+34zy

Question 9: This question is available to subscribers only!

Question 10: This question is available to subscribers only!


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