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Online Quiz (Worksheet A B C D)

Questions Per Quiz = 2 4 6 8 10

Grade 7 - Mathematics
4.22 Find The Factors of Difference of Two Squares - I

The difference two squares is always equal to the product of the sum and difference of the square roots of the square terms in the expression.

Example: Factorise 16x2-1.
Solution: Given that 16x2-1
= (4x)2 - (1)2
This is the for of a2-b2.
= (4x+1)(4x-1)
\ Factors of 16x2-1 is (4x+1)(4x-1)

Directions: Find the factors of given terms and show your work. Also write at least ten examples of your own.
Q 1: Factorise 225x2 - 1.

Q 2: Factorise 169x2 - 1.

Q 3: Factorise 256x2 - 1.

Q 4: Factorise 81x2 - 1.

Q 5: Factorise 25x2 - 1.

Q 6: Factorise 144x2 - 1.

Question 7: This question is available to subscribers only!

Question 8: This question is available to subscribers only!

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