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 ( 43+ )
Otras preguntas
Kim estimates that the faucet in her kitchen drips at a rate for 1 drop every 2 seconds. Erik wants to klnow how many times the faucet drips in a week.
One way to show that a statement is NOT a good definition is to find a _____ converse.conditional.counterexample.biconditional.
what city is located 60 north 25 east
A transformer has a primary coil with 600 turns and a secondary coil with 300 turns. If the output voltage is 320 volts, what is the input voltage?A. 8 volts
Question: 35/8 ( write as mixed number ) Please help me very very quickly!!!!!!!!!!!!!!!!!!!
a person who studies word origins and meanings would most likely be a
all fractions between 0 and 1/4
Any number that is divisible by 3 is also divisible by 9.Find a counterexample to show that the conjecture is false.18274548
. What are three factors that could contribute to a source not being credible?
factoring 12m^2n^2-8mn+1=
