Unit 6: Quadratics - Test Review

Simplify the following root:
 $\sqrt{-76}$  

•  $4i\sqrt{19}$  

•  $2i\sqrt{19}$  

•  $-2i\sqrt{19}$  

•  $-4i\sqrt{19}$  

What needs to be added to the equation below in order to make it a perfect square trinomial? $y\ =\ x^2\ +\ 8x\ +...?$  

What are the roots of the following graph:

• x= 3, 4

• x = -4, 3

• x=-3, 4

• x = -3, -4

What are the roots of the function  $y\ =\ x^2+\ 5x\ +6\$  

Factor x² + 12x + 20

• (x + 2)(x + 10)

• (x + 7)(x + 5)

• (x + 6)(x + 6)

What is the equation for axis of symmetry?

• x=5
• x=3

Tags

CCSS.HSF-IF.C.7A

Does this parabola have a maximum or minimum?
REMEMBER MAXIMUM IS THE HIGHEST AND MINIMUM IS THE LOWEST. 

• Maximum
• Minimum

Tags

CCSS.HSF-IF.C.7A

If the a value is positive, which direction does the graph open?

• up
• down
• left
• right

Tags

CCSS.HSF-IF.C.7A

What is the vertex of the quadratic function: y=1/2(x-3)²+8?

• (3,8)
• (-3,-8)
• (-3,8)
• (3,-8)

Which of the following are other words for zeros? (Choose ALL that apply)

• x-intercepts

• roots

• vertex

• solutions

• y-intercepts

Tags

CCSS.HSF-IF.C.7C