Question

[8.07] Which polynomial is a difference of two squares?

x2 − 16

x2 + 16

x2 − 8

x2 + 8

Answer 1

difference of squares is of the form a^2 - b^2

Answer 2

what is next

Answer 3

is x^2 + 8 a difference of squares?

Answer 4

no

Answer 5

why not?

Answer 6

x^2 − 25 = x^2 - 5^2 = (x-5)(x+5)

Answer 7

that's a difference of squares, yes, but that's not an answer choice

Answer 8

hopefully you got the idea down

Answer 9

will it be B

Answer 10

that's a sum of squares

Answer 11

you want a difference of squares

Answer 12

oh ok

Answer 13

How about C

Answer 14

is 8 a perfect square?

Answer 15

yea

Answer 16

how so?

Answer 17

what whole number squared gives you 8?

Answer 18

25 is a perfect square since 5^2 = 25

Answer 19

its no