Practice problem
Consider the equation below: y=ax2+bx+c\begin{array}{rcl} y &=& ax^2 + bx + c \\ \end{array}y=ax2+bx+c
If b2=4acb^2 = 4acb2=4ac, how many real roots does yyy have?
000
111
222
333
Type a concept, like “slope” or “photosynthesis”.
