Posted by anonymous on Monday, September 22, 2008 at 10:40pm.
what is the value of "x" when y=0:
8x^2x5=y
eight times x squared minus x minus five equals y

geometry  bobpursley, Monday, September 22, 2008 at 10:55pm
Use the quadratic equation:
x=(1+sqrt(1+160))/16
check that, I did it in my head.

geometry  taz manian, Monday, September 22, 2008 at 11:10pm
do you know the anwser to the question above this one
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