Question 1180370: Use the quadratic formula to determine, accurate to one decimal place, the roots, if they exist, for each quadratic relation.
y = 2x2 +
y = x2 -
y = x2 +
y = - 9x2 -
Answer by ikleyn(52780)   (Show Source):
You can put this solution on YOUR website! .
Toooooo many questions for one post.
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