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 ( 59+ )
Otras preguntas
what's the difference between 8 848 and 10 911 meters
Which is part of the biosphere? A. humans B. stratosphere C. volcanoes D. oceans
what kind of organism is a zooxanthellae
Someone please help me . All of the following are equivalent except _____. .A). 33 1/3 % .B). 0.3..... or repeating .C). 1/3 .D). 33.3....
Which port city on the Sea of Japan is located near Russia's border with China? Where is the Russian port city of Murmansk located?
How did European conquerors meet their need for labor on sugar plantations? A. They bought new machines that did much of the work. B. They brought enslaved Afri
What would happen to the body if the liver is removed????
Antifederalists criticized the United States Constitution primarily because governing power was concentrated in the…
What is the next odd number after 9999?
what does lysosomes look like
