Question

Given f(x) = (x - 1)² - 4. 

 

a) Does the graph have 0, 1, or 2 x-intercepts?
b) How many zeros does function f have?
c)What are the roots of the graph?
d) Where does the graph cross the y-axis?

 

Help On These 4 Questions

Answer 1

y=(x-1)^2 -4

or x^2 -2x-3=0, wich become

(x-3)*(x+1)

so x=0 at x=3 or -1   (2 points)

krats sumtimes kall the zeroes av y the "x-intersepts"

basikially a parabola that go up as x get big

????????? yu want yer graf tu put down roots ????????