gladysaltamirano gladysaltamirano
  • 24-06-2014
  • Mathematics
contestada

find the zeros of y=x²-1 from a graph.

Respuesta :

iloveonedirection
iloveonedirection iloveonedirection
  • 24-06-2014
[tex]y=x^2-1[/tex]

[tex]0=x^2-1[/tex]

[tex]0=(x+1)(x-1)[/tex]

[tex]x+1=0[/tex]

[tex]x=-1[/tex]

[tex]x-1=0[/tex]

[tex]x=1[/tex]

[tex]zeros:-1,1[/tex]

Answer Link
AL2006
AL2006 AL2006
  • 24-06-2014
y = x² - 1

I can find the zeros from a graph, but that won't help you any, because
I'm not about to draw the graph and then post it here.

y = (x + 1) (x - 1)

y = 0 when x = +1 or x = -1.
Answer Link

Otras preguntas

what is the reciprocal of 2/5
Is it correct: -3(-4)2=(12)2=144? plz explain
What choices does martin luther king made
Which of these statements reflects subjunctive mood? I went to the store because it was having a sale. It was said that the store had a good sale. The store
whats 58788188 to the nearest million
Each of the following factors contributed to the presidential selection system we use today except _____. A-the 12th Amendment B-the election of 1800 C-the c
A bicycle travels 84 feet in 7 seconds.what is the ratio of distance to time.
Using the punctuation clues below, which of the following is a magazine article? "Modern Sewing" Modern Sewing (Italicized) Modern Sewing (Underlined) "Modern
One purpose of government is to
Explain how solid garbage in landfills can result in air pollution.