A2_Quiz # 1_10/7

What is the axisof symmetry of the above graph?

• x = 3

• 3

• y = -1

• -1

What are the roots of the function?

• 3

• -6

• -1 and -3

• -6, -1, and -3

Which statement about the graph is FALSE?

• The vertex is (-3, 18)

• The vertex is a maximum

• The y-intercept is y = 0

• The axis of symmetry is y = -3

What is the y-intercept of this parabola?

• (−1, 3)
• (−3, 11)
• (−2, 5)
• (0, 5)

The parabola y = 3(x + 1)² + 3 has a vertex of

• (3, 3)

• (1, 3)

• ( - 1, 3)

• (3, -1)

Which function’s graph has a vertex at (3, 5) and contains the point (5, 13)?

• 
• 
• 
• 

Which function is best represented by this graph?

• 
• 
• 
• 

Write equation of a parabola given a vertex (5,4) and a focus (-1,4)

• $\left(y-4\right)^2=-24\left(x-5\right)$

• $\left(y+4\right)^2=-24\left(x+5\right)$

• $\left(y-5\right)^2=-24\left(x-4\right)$

• $\left(y+5\right)^2=24\left(x+4\right)$

Write equation of a parabola given a vertex (-4,5) and a focus (-4,-1)

•  $\left(x+4\right)^2=-24\left(y-5\right)$  

•  $\left(x-4\right)^2=-24\left(y-5\right)$  
  

•  $\left(y+4\right)^2=-24\left(x-5\right)$  
  

•  $\left(y-4\right)^2=-24\left(x-5\right)$  
  

State the domain and range.

• Domain: All real numbers, Range: y ≥ -9

• Domain: All real numbers, Range: All real numbers

• Domain: x ≥ -8, Range: y ≥ -9

• Domain: x ≥ -8, Range: All real numbers