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 ( 91+ )
Otras preguntas
Didymo threatens the North Georgia trout populations. What is the best way Georgians can help prevent the spread of didymo?
The table shows several points for function h(x). A 2-column table with 6 rows. Column 1 is labeled x with entries 0, 3, 6, 9, 12, 15. Column 2 is labeled h (X)
What did Buddhist monasteries provide people?
Definition: This is when the Moon disappears behind the Earth's horizon, relative to the observer's Location.
Convert 1.1x104mol neon gas to STP to L
solve each equation x^2+6x+9=1
The following scores represent students' test grades in Mr. Preisser's fashion class. Test Scores 79 83 79 88 93 88 83 79 83 79 83 79 93 88 93 88 93 88 What is
PLEASE HELP SIMPLE MATH PROBLEM WILL MARK BRAINLIEST
A matter for presentation is written in 24 pages. Each page has 20 lines. If the number of lines per page is increased to 24, then in how many pages will presen
3. What effect does an enzyme have on a chemical reaction within a cell?
