Question

Which of the following must be true for an expression to be a difference of two square
a. both coefficients are perfect squares
b. there are only two terms
c. one term has a negative coefficient and one term has a positive coefficient

A. a and c
B. b and c
C. a and b
D. a,b and c

Answer 1

what do you think?
an ex ample would be 9^2 - 4^2

Answer 2

another example to highlight all options would be 3^2 - (4^2+6^2))

Answer 3

D

Answer 4

@Isaac.Tillman03 PLease dont give direct answers . Read the Code of Conduct.

Answer 5

@welshfella , Sorry won't do it again.

Answer 6

OK

Answer 7

and D isn't correct

Answer 8

I think its c

Answer 9

Yes I agree

Answer 10

I#m not sure about Faiq's example
What do you think zepdrix?

Answer 11

His example is not difference of squares, so I dunno :)

I'm thinking it's option D,
to get subtraction we need a positive and a negative, ya? :o

Answer 12

lol I meant D!! I'm a bit tired at the moment..

Answer 13

heh :)

Answer 14

yes

Answer 15

I'm going to turn in...

Answer 16

So the answer is D?

Answer 17

yes