Unit 3 Review

What is the vertex?

• (2, 4)
• (3, -1)
• (0, 8)
• (4, 2)

Does this graph have a maximum or minimum value?

• maximum
• minimum
• neither
• both

What is the equation of the axis of symmetry?

• y = 4

• y = -4

• x = 4

• x = -4

What are the x- intercepts?

• x= 0 and x= -4
• x= 0 and x= 4
• y= 0
• x= 2

What is the domain of this quadratic function?

• $\left(-\infty,\infty\right)$

• $\left[4,\ \infty\right)$
  

• $\left(-\infty,\ 2\right)$

• $\left(-\infty,\ 4\right]$
  

What is the range of this quadratic function?

• 
  

  $\left(-\infty,\infty\right)$

• $\left[4,\ \infty\right)$

• $\left(-\infty,4\right)$

• $\left(-\infty,\ 4\right]$

What is the y-intercept?

• (3,0)
• (0,-3)
• (0,3)
• (-3,0)

What is the domain of the graph?

• $\left(-\infty,\infty\right)$

• To infinity and beyond

• $\left[-1,\infty\right)$
  

• $\left[0,\infty\right)$

What is the domain and the range for the graph?

• Domain : $\left[-2,2\right]$ Range : [0,4]

• Domain: $\left[4,\ \infty\right)$ Range : $\left(-\infty,\infty\right)$

• Domain: $\left(-\infty,\infty\right)$ Range : $\left[4,\ \infty\right)$

• Domain: $\left(-\infty,\infty\right)$ Range : $\left[0,\infty\right)$

Where is the function increasing?

• $\left(-\infty,1\right]$

• $\left[1,\infty\right)$

• $\left[-2,\infty\right)$

• $\left(-\infty,-2\right]$