Lesson

• draw a parabola which touches the $x$-axis such as $y=(x-1)^2$
• draw a parabola in a vertex form such as $y=(x-2)^2+1$
• draw a parabola in intercept form such as $y=(x-1)(x+2)$
• draw a parabola by determining $x$-intercept and $y$-intercept
• draw a parabola by determining the axis of symmetry $x=-\displaystyle \frac{b}{2a}$