Asked by Poppy


for what value of k will the function
f(x)=kx^2-4k+k have no zeros

the graph of the function
f(x)=x^2-kx+k+8 touches the x-axis at one point. What are the possible values of k
Answered by Reiny
see
http://www.jiskha.com/display.cgi?id=1319166565
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