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Online Quiz (Worksheet A B C D)

Questions Per Quiz = 2 4 6 8 10

Grade 6 - Mathematics
12.42 Subtraction of Binomials - I

Example: (7x-2y) - (5x-3y) = _____ ?
Solution:
Subtracting 5x-3y from 7x-2y is same as adding the additive inverse of 5x-3y to 7x-2y.

The additive inverse of (5x-3y) is (-5x+3y), therefore, add (-5x+3y) to 7x-2y,
7x - 2y - 5x + 3y = 2x + y.


Directions: Solve the following questions. Also write at least 10 examples of your own.
Q 1: (7x-7y) - (7x+7y) = _____ ?
14x-14y
14x+14y
-14x
-14y

Q 2: (78x-30y) - (7x+2y) = _____ ?
80x-37y
80x+37y
71x-32y
71x+32y

Q 3: (56x-71y) - (60x+7y) = _____ ?
63x+64y
63x-64y
-4x-78y
4x-78y

Q 4: (92x-7y) - (7x) = _____ ?
92x
92x+14y
85x
85x-7y

Q 5: (17x-2y) - (6x-7y) = _____ ?
11x-9y
24x-8y
11x+9y
24x+8y

Q 6: (72x-91y) - (71x-80y) = _____ ?
x-9y
x-11y
-x+11y
x+9y

Q 7: (6x-7y) - (7x+6y) = _____ ?
-x-13y
-x-y
x-y
x-13y

Q 8: (9x-2y) - (3y+7x) = _____ ?
2x-5y
12x-6y
12x+5y
2x+5y

Question 9: This question is available to subscribers only!

Question 10: This question is available to subscribers only!


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