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 ( 87+ )
Otras preguntas
What is the value of x? Enter your answer in the box. x =
Enter the inverse of the function. y=x-9 The inverse function of y=x-9 is ________ .
What happens in the city of ember, book 1?
On a number line, show all values of x that have the absolute value greater than 2.
Help! Picture aboveCoordinates using Pythagorean Theorem. Enter the number that goes beneath the radical symbol.
3. Is a bone a living structure, or merely a deposit of mineral compounds?
groups which searched for runaway slaves
which properties are used to add these complex numbers? choose all that apply. (5+2i)+(6+7i)=(5+6)+(2i+7i)=11+9i A. distributive property B. associative propert
consider the inequality-5(x+7)<-10. write an inequality representing the solution for x
A band sold out 4 of its last 20 shows. What is the experimental probability that the band's next show will be sold out? Write your answer as a fraction or whol
