Parts of Parabolas (Mr. Jackson)

Find the axis of symmetry for  $f\left(x\right)=x^2-10x+9$  

•  $x=-10$  

•  $x=9$  

•  $x=-5$  

•  $x=5$  

Find the axis of symmetry for  $f\left(x\right)=-4x^2-56x+78$  

•  $x=7$  

•  $x=-7$  

•  $x=-56$  

•  $x=-4$  

Find the vertex for  $f\left(x\right)=x^2-12x+20$  

•  $\left(-12,20\right)$  

•  $\left(-6,128\right)$  

•  $\left(6,-16\right)$  

•  $\left(6,-30\right)$  

Find the vertex for  $f\left(x\right)=-x^2-8x+21$  

•  $\left(-4,37\right)$  

•  $\left(4,-27\right)$  

•  $\left(8,-107\right)$  

•  $\left(8,21\right)$  

Find the vertex for  $f\left(x\right)=-3x^2+18x+20$  

•  $\left(3,101\right)$  

•  $\left(-3,-61\right)$  

•  $\left(3,47\right)$  

•  $\left(3,20\right)$  

Find the vertex for  $f\left(x\right)=5x^2+40x-35$ 

• $\left(4,205\right)$

• $\left(-4,-35\right)$

• $\left(-4,-131\right)$

• $\left(-4,-115\right)$

Find the x-intercepts x for  $f\left(x\right)=x^2+3x-28$ 

•  $\left(4,0\right)\ \ \ and\ \ \ \left(-7,0\right)$ 

•  $\left(-4,0\right)\ \ \ \ and\ \ \ \ \left(7,0\right)$ 

•  $\left(14,0\right)\ \ \ and\ \ \ \ \left(-2,0\right)$ 

•  $\left(-14,0\right)\ \ \ and\ \ \ \ \left(2,0\right)$ 

Find the x-intercepts x for  $f\left(x\right)=-x^2+8x+33$ 

•  $\left(-8,0\right)\ \ \ and\ \ \ \left(-33,0\right)$ 

•  $\left(-3,0\right)\ \ \ \ and\ \ \ \ \left(11,0\right)$ 

•  $\left(-11,0\right)\ \ \ and\ \ \ \ \left(3,0\right)$ 

•  $\left(-33,0\right)\ \ \ and\ \ \ \ \left(1,0\right)$ 

Find the x-intercepts x for  $f\left(x\right)=x^2-15x-34$ 

•  $\left(-2,0\right)\ \ \ and\ \ \ \left(17,0\right)$ 

•  $\left(-6,0\right)\ \ \ \ and\ \ \ \ \left(-9,0\right)$ 

•  $\left(-17,0\right)\ \ \ and\ \ \ \ \left(2,0\right)$ 

•  $\left(-6,0\right)\ \ \ and\ \ \ \ \left(-5,0\right)$ 

Find the x-intercepts x for  $f\left(x\right)=3x^2+5x+2$ 

•  $\left(2,0\right)\ \ \ and\ \ \ \left(3,0\right)$ 

•  $\left(\frac{2}{3},0\right)\ \ \ \ and\ \ \ \ \left(1,0\right)$ 

•  $\left(-1,0\right)\ \ \ and\ \ \ \ \left(\frac{-2}{3}-,0\right)$ 

•  $\left(-\frac{1}{2},0\right)\ \ \ and\ \ \ \ \left(-\frac{1}{3},0\right)$