barbara25
barbara25
04-04-2018
Mathematics
contestada
factor each polynomial y²-81
Respuesta :
idkwhat1
idkwhat1
04-04-2018
I'm if it's right but.....
you could square root the whole expression and get (y-9)(y-9)=(y-9)^2
Answer Link
altavistard
altavistard
04-04-2018
y^2-81 is the difference of two squares, namely, the difference of y squared less 9 squared. Therefore,
y^2-81 = (y-9)(y+9)
Answer Link
VER TODAS LAS RESPUESTAS ( 12+ )
Otras preguntas
Why did Americans turn to the federal government for aid after the first year or so of the Depression? Americans held the government responsible for the Depre
La forma correcta complete the sentences with the correct verb form. february 26 11:59 pm unlimited attempts remaining grade settings 46-50 grammar presentation
Salvador dali is said to be on of the best representative artist of surrealism what characteristics are evident in his work that are surrealist in nature
A climate which changes with altitude is called a(n) climate.
Artist Joseph Mallord William Turner is considered a _______ because of his focus on color instead of literal representation. A. classicist B. romantic
How did the weather at Valley Forge affect the troops? Answer Fast!!!!!!
Need help on this one
There are 136 people waiting for a river raft ride.Each raft holds 8 people Silvia
There are 80 members of the show choir. For a fund raiser 95% of the members raised money, how many members did NOT raise money. PLEASE HELP PLEASE
what is the success or failure of education closely tied
