Practice problem
Find the values of −b−b2−4ac2a\frac{-b - \sqrt{b^2-4ac}}{2a}2a−b−b2−4ac and −b+b2−4ac2a\frac{-b + \sqrt{b^2-4ac}}{2a}2a−b+b2−4ac if a=1a=1a=1, b=−5b=-5b=−5, and c=4ac=4ac=4a.
−2-2−2 and −3-3−3
222 and 333
−1-1−1 and −4-4−4
111 and 444
Type a concept, like “slope” or “photosynthesis”.