Question

4 questions please help :)

Answer 1

@silverspeedfighter @AloneS

Answer 2

do you know what mean ,,perfect square" ?

Answer 3

so what you can rewriting factorized in the form of (a+b)^2 or (a-b)^2

from these trinomials can you get what is a perfect square ?

Answer 4

please collaborate - any idea ?

Answer 5

so from these trinomials what you can rewriting in the form of a^2 +2ab +b^2 or
a^2 -2ab +b^2

because this will be the perfect square what you need get it

Answer 6

its d right

Answer 7

exactly but can you saying me how you get it ?

Answer 8

a^2 -16a +64

how can you rewriting the -16 like a sum of two integers so that the product of these integers give you 64 ?

Answer 9

are you here please ?

Answer 10

why d. is the right answer ?

Answer 11

a little help

sqrt64 = ?

Answer 12

so sqrt64 = +/- 8 because (+8)(+8) = 64 and (-8)(-8) = 64

yes ?

Answer 13

but you need getting the sum of -16 from these - yes ?

so what will be right than ? how you think ? +8+8= -16 ?

Answer 14

no

so the right from these will be -8 bc. (-8) + (-8) = -16

and now can you rewriting this in the form of perfect square ?

Answer 15

so will be (a-8)^2

hope helped and you understand it now sure

Answer 16

do you have any questions ?