Quadratic Functions Review

Find the coordinates of the vertex of the quadratic function

 $y=6x^2+12x-5$  
Remember the equation for the vertex is  $x=-\frac{b}{2a}$  

• (-1, -11)

• (-1, 11)

• (1, 5) 

• (2, 11)

Find the vertex (x and y coordinates) of the quadratic function

 $y=-3x^2+12x+1$  
Remember, the equation for the vertex is  $x=-\frac{b}{2a}$  

Find the coordinates of the vertex of the quadratic function 
 $y=x^2+4x+1$  

Remember,  $x=-\frac{b}{2a}$  

• (-2, 5) 

• (2, 6)

• (-2, -3)

• (3, 7)

What do we call the graph of a quadratic function?

• parabola
• linear
• cubic
• sinusoidal

Tags

CCSS.HSF-IF.C.7A

The axis of symmetry is a line that goes through the...

• y-intercept
• any random point
• vertex
•  x-axis or y-axis

Which best describes the vertex of a parabola?

• Any point on the parabola.
• A point on the x-axis.
• The highest or lowest point of a parabola
• A point on the y-axis.

What is the vertex of this parabola?

• (-2,4)

• (2,5)

• (5,-2)

• (-5,-2)

Does this graph have a maximum or minimum?

• Minimum
• Maximum

Tags

CCSS.HSF-IF.C.7A

What is the green dashed line called?

• roots or x-intercepts
• parabola
• axis of symmetry
• line of dashes

Tags

CCSS.HSF-IF.C.7A

What is the green dot on the parabola called?

• maximum
• minumum
• roots
• zeros

Tags

CCSS.HSF-IF.C.7A