Question

ntit fl Kuta Software - Infinite Algebra 2 Vertex Form of Parabolas Use the information provided to write the vertex form equation of each parabola. 2) y=x² - 2x-5 1) y=x2+ 16x + 71 Name Samantha Las Date 212412920 yatshin

Answer 1

2)

$\begin{gathered} y=x^2-2x-5 \\ y+5=x^2-2x-5+5 \\ y+5+1=x^2-2x+1 \\ y+6=(x-1)^2 \\ y=(x-1)^2-6 \end{gathered}$

v ( 1, - 6 )

1)

$\begin{gathered} y=x^2+16x+71 \\ y-71=x^2+16x+71-71 \\ y-71=x^2+16x \\ y-71+64=x^2+16x+64 \\ y-7=(x+8)^2 \\ y=(x+8)^2+7 \end{gathered}$

v ( - 8, 7 )