Practice problem
Solve for xxx using elimination. y=(x−a)2−y=2ax−2a2\begin{array}{rcl} y &=& (x-a)^2 \\ -y &=& 2ax -2a^2 \end{array}y−y==(x−a)22ax−2a2 aaa is a real constant.
x=ax = ax=a
x=−ax = -ax=−a
x=±ax = \pm ax=±a
Not enough information.
Type a concept, like “slope” or “photosynthesis”.
