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 ( 19+ )
Otras preguntas
Please help me answer this! A. Testimony B. Reputation C. Appearance D. Plea
13. The walls of arteries include a ____ muscle layer. voluntary smooth cardiac skeletal
Select the correct answer. You are writing a literary analysis essay on Shakespeare's Macbeth. Which of the following is a reliable source of information on the
3. [6 Pts] Give an example of two uncountable sets A and B such that AnB is (a) finite, (b) countably infinite, (c) uncountably infinite.
which of the following statements is an example of sarcasm ? “It
Is that right? I feel like it is but im not too sure i need help fast pleasee
Which of his own films did alfred hitchcock remake?
what is directly responsible for matter moving and changing inside an animal body
What is most important in a representative democracy? A. Suffrage B. Bill of Rights C. Legislature D. Majority rule
A bicycle generator rotates at 154 rads/s, producing an 16.5 V peak emf. It has a 1.00 by 3.00 cm rectangular coil in a 0.68 T field. How many turns are in the
