[size=150][b]Objective of Activity : Understanding "Completing the Square" technique[br][/b][br]The technique of "completing the square" where the quadratic expression [math]x^2+bx[/math]is transformed into [math]\left(x+\frac{b}{2}\right)^2-\left(\frac{b}{2}\right)^2[/math] or [math]\left(x+h\right)^2+k[/math] where [math]h=\frac{b}{2}[/math] and [math]k=-\left(\frac{b}{2}\right)^2[/math][br]can be visualised in this tutorial lesson.[br][br][/size][size=150]Explore and attempt to answer the question in the interactive activity below. [br]Click on the "New Expression" button to generate a few more questions and do them. [br][br]Then answer the questions below this activity.[/size]

[size=200][b]Check Your Understanding[br][/b][/size][br][size=150]Try answering the questions below to see if you have understood "Completing the Square"[br][br][/size][b][i](Do attempt the questions on a piece of paper before selecting what you think is the most appropriate answer.)[/i][/b]