Need some help on these, just to make sure I understand what I'm doing...
1) If then
2) If then
3) solve for x
4) solve for x
then...
would the quadratic formula be used?
??
Ok, I'm confused. My teacher marked both of these wrong. Instead he wanted for the first and -x for the second, but isn't what I put essentially the logical equivalence of the answers?
I got a zero for both of these. I had to turn back in the HW sheet because he completely missed a problem and gave a zero for it and I didn't have time to think about these two at the moment.
I can't understand why I shouldn't get at least 1 point for both of the problems, even though he wanted the work shown.