10/11 Quiz Review

What is the vertex?

• (-2,0)

• (0,0)

• (0,-4)

• (2,0)

• a= 1, b= 2, c= -9

• a= 2, b= -1, c= 9

• a= -9, b= 2, c= -1

• a= -1, b= 2, c= -9

What is the equation of the line of symmetry for this quadratic function?

• x = -3

• x= .5

• x = 4

• x = -12

What is the green dot on the parabola called?

• maximum
• minumum
• roots
• zeros

The axis of symmetry line passes through which point?

• y-intercept
• any random point
• vertex
• none of these

What are the x- intercepts?

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

What is another name for the x-intercepts of a quadratic?

• y-intercepts
• zeros
• x-axis
• none of these

Factor completely
k² -2k - 24

• (k+4)(k-6)
• (k+4)(k+6)
• (k+6)(k-1)
• (k-4)(k+6)

Factor completely
n² + 16n + 63

• (n-7)(n+4)
• (n+7)(n-9)
• (n-3)(n-10)
• (n+7)(n+9)

Does this graph have a maximum or minimum?

• Minimum
• Maximum