kaceykoedel kaceykoedel

06-05-2014
Mathematics

Answered

What are the x-intercepts of the quadratic function?
y = –x2 + 2x – 1
(Points : 1) A. 2 and 1 B. –2 and 1 C. 2 and –1 D. 1

Verified Answer :

kate200468 kate200468

06-05-2014

\(y=-x^2+2x-1=-(x^2-2x+1)=-(x-1)^2\ \ \Rightarrow\ \ y \leq 0\\ \\C.\ x=2\ \ \Rightarrow\ \ \ y=-(2-1)^2=-1\ \ \Rightarrow\ \ (2;-1)\\ \\Ans.\ C\)

Answer Link

Related Questions

The bitterness left behind in parts of Europe by the Treaty of Versailles contributed to the rise of A socialism B democracy C republicanism D totalitarianism

Conebearing trees like pines spruce and fir grow best in areas where winters are long and cold Large mammals like moose elk and bear also live and thrive in the

in the human body which system functions in detecting and responding to stimuli

The Athenian economy was supported by

what are some of the incentives sailors were offered for joining the navy

True or False Most Asian Americans trace their heritage to Japan

THE ARYANS BELIEVED THAT SOCIETY WAS DIVIDED INTO FOUR CALLED VARNAS

WHY DO YOU THINK PALEOINDIAN ARTIFACTS HAVE BEEN FOUND ON HILLS AND RIDGES OVERLOOKING STREAMS

ce tie nu ti place altuia nu i face compunere

what is 20 581 in simplest form