HW 8-3 Quadratic functions in standard form

What is the y-intercept of the function:
 $f\left(x\right)=2x^2+8x+2$  

•  $2$  

•  $8$  

•  $-2$  

•  $-8$  

Tags

CCSS.HSF-IF.C.7A

What is the axis of symmetry of the function:
 $f\left(x\right)=2x^2+8x+2$  

•  $x=2$  

•  $x=-2$  

•  $x=8$  

•  $y=2$  

What is the vertex of the function:
 $f\left(x\right)=2x^2+8x+2$  

•  $\left(2,\ 26\right)$  

•  $\left(0,\ 2\right)$  

•  $\left(-2,\ -6\right)$  

•  $\left(2,\ 0\right)$  

What is the y-intercept of the function:
 $f\left(x\right)=-2x^2+4x-3$  

•  $-2$  

•  $4$  

•  $-3$  

•  $1$  

Tags

CCSS.HSF-IF.C.7A

What is the axis of symmetry of the function:
 $f\left(x\right)=-2x^2+4x-3$  

•  $x=-2$  

•  $x=4$  

•  $x=-3$  

•  $x=1$  

What is the vertex of the function:
 $f\left(x\right)=-2x^2+4x-3$  

•  $\left(1,\ -1\right)$  

•  $\left(-2,\ -19\right)$  

•  $\left(-1,\ 1\right)$  

•  $\left(0,\ -3\right)$  

Which is the graph of the function:
 $y=3x^2+6x+5$  

• 
• 
• 
• 

Tags

CCSS.HSF-IF.C.7A

Which is the graph of the function:
 $y=-x^2-2x+3$  

• 
• 
• 
• 

Tags

CCSS.HSF-IF.C.7A