Forms of Parabolas

What is the vertex form of this quadratic?

• f(x) = -(x - 2)² + 0
• f(x) = (x - 2)² + 0
• f(x) = -(x + 2)² + 0
• f(x) = (x + 2)² + 0

What are the zeros for the function
f(x) = (x + 7)(x + 5)

• (7 , 0) and (5 , 0)
• (0 , 7) and (0 , 5)
• (-7 , 0) and (-5 , 0)
• (7 , 0) and (5 , 0)

In addition to the a-value, what additional piece of information do we get from the following equation? $f\left(x\right)=7\left(x+1\right)^2+5$  

• vertex

• y-intercept

• x-intercepts

In addition to the a-value, what additional piece of information do we get from the following equation?

f(x) = 2x² - 4x - 6

• y-intercept

• vertex

• x-intercepts

What is the line of symmetry for  $f\left(x\right)=-2x^2+4x-6$  

•  $x=4$  
  

•  $x=-4$   
  

•  $x=1$  
  

•  $x=-1$  
  

What are the x-intercepts of 
f(x)=(x - 10)(x + 10)

• 10
• (10 , 0) and (-10 , 0)
• (0, -10) and (0, 10)
• 0

What are the zeros of the function
f(x)= (x - 2)(x + 3)?

• x = - 2 or x = 3
• x = 2 or x = -3
• The are no real roots
• x = 2 or x = 3

What is the factored form of the quadratic shown?

• f(x) = -x(x - 4)
• f(x) = x(x - 4)
• f(x) = -x(x + 4)
• f(x) = x(x + 4)

What is the vertex of
f(x) = 2(x - 5)² + 12

• (-5, -12)
• (5,-12)
• (5, 12)
• (-5, 12)

The axis of symmetry line passes through which point?

• y-intercept
• any random point
• vertex
• symmetrical point for the vertex