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 ( 93+ )
Otras preguntas
Why are the Muslims and the Jews are fighting over Israel?
When were fireworks first used in an official Fourth of July celebration?
How many representatives are there in the House of Representatives?
The Scopes Trial was about: a. Freedom of the press b. Teaching evolution in school c. Prayer in school
The 15th Amendment, which granted African Americans the right to vote, was passed on which date?
What is the formula for Slope-Intercept Form of the Line
How many people were living in the United States of America on July 4, 1776? 2.5 million 9 million 15 million 30 million
Which geological features did Sally Ride observe from orbit?
This haunting and eloquent military tune originated as a signal to mark the end of the day, and is used today at funerals, wreath-laying services, and memorial
Whats is the definition of Parallel Circuit
