document.write( "Question 188948: Can You help me with this question please?
\n" ); document.write( "By examining the sign of the discriminant d=0, how many x-intercepts would the graph of \"x%5E2%2B2x%2B1=0\"have? Why?
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Algebra.Com's Answer #141718 by Mathtut(3670)\"\" \"About 
You can put this solution on YOUR website!
\"b%5E2-4ac\" D=0.......therefore 1 solution. because the graph only touches the x axis in 1 point. if D>0 two real solutions
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\n" ); document.write( "if D<0 then two imaginary solutions
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