graphing parabolas

What is the vertex?

 $y=-3x^2+12x\ -5$  

• ( 2 , 7 )

• ( -2 , -41 )

• ( -2 , 7 )

• ( 2 , 41 )

Given the vertex is ( 5 , 9 ), what is the axis of symmetry?

• y = 5

• x = 5

• x = 9

• y = 9

Which way will the parabola open?

 $y\ =\ \frac{1}{2}x^2+8x\ +\ 9$  

• Open Up

• Open down

• Cannot identify

Tags

CCSS.HSF-IF.C.7A

What is the y intercept?

 $y=-3x^{2\ }+\ 9x\ -\ 5$  

Tags

CCSS.HSF-IF.C.7A

What values include the range?

• x values

• y values

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Given the function, what is the range?   $y=\frac{1}{2}x^2+4x-4$  

•  $y\ge12$  

•  $y\ge-4$  

•  $y\ge8$  

•  $y\ge-12$  

Find the vertex. Do not include spaces between the parenthesis,comma,and numbers. Example (4,-9).

 $y=-2x^2-4x+9$  

Given that the vertex is ( 5 , -2 ) and the y intercept is (0 , 3), which way will the parabola open?

• up

• down

Tags

CCSS.HSF-IF.C.7A

If the axis of symmetry is x = 4 and the range is y $\le$  10 , what is a possible equation that would match this information?

•  $y=x^2+8x-6$  

•  $y=-x^2+8x-6$  

•  $y=x^2-4x+8$  

•  $y=x^2-8x+15$  

Tags

CCSS.HSF-IF.C.7A

The equation   $y=.25x^{2\ }+5x-9$  will have a .........

• minimum value

• maximum value

Tags

CCSS.HSF-IF.C.7A