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 ( 74+ )
Otras preguntas
36 quarts = ? gallons please show work so i can better understand?
Under the Age Discrimination Act of 1975: a. Protections against age discrimination apply only to individuals over 40 years of age. b. Age discrimination is p
What term is used to indicate the level of a sound A: pitch B:wavelength
_____ is probably the most important factor in determining the promotional mix. Select one: a. The advertising agency b. The need for feedback c. Money d. M
What term is used to indicate the level of a sound A: pitch B:wavelength
2. What is the molarity of a 4.50 L solution that contains 68.0 g of NaCl?
Maryland was the first _____ Colony poprietary Chartered Royal
Children generally describe females in action-related terms, and males in appearance-related terms. a. True b. False
Which feature is considered evidence for continental drift?
What is the USA patriot act
