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Online Quiz (Worksheet A B C D)

Questions Per Quiz = 2 4 6 8 10

Grade 7 - Mathematics
4.45 Fill In the Blanks - III

Example:
x2 + _____ + 36y2.
Solution:
This is of the form a2 + ...... + b2
If the given expression is to be the square of a binomial, then
Missing term = 2.a.b
= 2.x.6y
= 12xy
Therefore x2 + 12xy + 36y2

Directions: Filling the blanks and write missing term only. Also write at least ten examples of your own.
Q 1: 4x2 + ..... + y2.
4xy
-4xy
2xy
-3xy

Q 2: 9x2 + ..... + 16y2 .
48xy
20xy
24xy
12xy

Q 3: 25x2 - 40xy2 + .....
16y4
16y2
18y4
12y3

Q 4: ..... + 28xy2 + 4y4.
45x2
49x2
7x2
35x2

Q 5: x2 + ..... + 4y2.
2xy
5xy
3xy
4xy

Q 6: 36x2 - 24xy + .....
3y2
4y2
6y2
2y2

Question 7: This question is available to subscribers only!

Question 8: This question is available to subscribers only!


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