Unit 6 Quadratics Quiz

What are the x-intercepts on this graph?

• (0, -3) and (2, -3)

• (1, -4)

• (-1, 0) and (3, 0)

• (0, -1) and (0, 3)

What is the vertex of this graph?

• (-1, 2)

• (1, 2)

• (0, 3)

• (-1, -2)

Where would the axis of symmetry be for this graph?

• y = x

• y = 1

• x=4

• x = 1

What is the vertex of this graph:

 $f\left(x\right)=2\left(x+3\right)^2+1$  

• (-3, 1)

• (2, 3)

• (3, 1)

• (2, 1)

Check all the boxes that are TRUE about this graph:

 $f\left(x\right)=\left(x+2\right)^2+1$  

• The graph moves right 2 units.

• The graph moves left 2 units.

• The graph moves up 1 unit on the y-axis.

• The graph moves down 1 unit on the y-axis.

Check all the boxes that are TRUE about this graph:

 $f\left(x\right)=-\left(x-3\right)^2+7$  

• The vertex of this graph is (3,7).

• The vertex of this graph is (-3, 7).

• The width of this graph is SKINNIER than the parent function.

• The width of this graph is the SAME as the parent function.

Write an equation for this graph in vertex form.

• $y=2\left(x-3\right)^2+1$

• $y=3\left(x+3\right)^2-1$

• $y=\frac{2}{3}\left(x-3\right)^2+1$

• $y=\left(x-3\right)^2+1$

Which graph matches the function?

 $y=\left(x+2\right)^2+4$  

• 
• 
• 
• 

Write this equation in standard form:

 $y=\left(x+2\right)^2+8$  

•  $y=x^2+4x+4$  

•  $y=x^2+4x+12$  

•  $y=x^2+2x+12$  

•  $y=x^2+4x+8$  

What is the y-intercept of this graph?

 $y=2x^2+3x-4$  

• (2, 3)

• (4, 0)

• (0, 4)
  

• (0, -4)