Graphing Quadratics

Which form is this quadratic equation written in?

 $y=-4x\left(x+7\right)$  

• Standard Form

• Intercept Form

• Vertex Form

• None of the Above

What is the axis of symmetry for the equation

 $y=0.25\left(x+5\right)^2-9$  

(a)  

What is the vertex for the following equation?

 $y=2x^2-12x+11$  

(a)  

Describe the transformations of the graph of

 $y=-\frac{3}{2}\left(x-8\right)^2$  from the graph of  $y=x^2$ .   Select all that apply.

• Shift left 8 units

• Shift right 8 units

• Reflect

• Shrink 

• Stretch

A quadratic equation with a vertex at $\left(9,\ -2\right)$ has an axis of symmetry at.....? 

•  $x=9$  

•  $9$  

•  $x=-2$  

•  $-2$  

•  $x=2$  

Tags

CCSS.HSA.REI.B.4

 $y=-0.25\left(x-8\right)\left(x+4\right)$  

Determine the vertex for the equation

(a)  

Using the graph determine the interval of decreasing.

• $\left(-\infty,0\right)$

• $\left(0,+\infty\right)$
  

• $\left(-\infty,-1\right)$
  

• $\left(-1,+\infty\right)$
  

Determine the vertex of the parabola shown above.

(a)  

Which of the following is the correct equation for the given graph?

• y = (x - 2)² - 1

• y = -(x + 2)² - 1

• y = (x + 2)² - 1

• y = -(x - 2)² - 1

Tags

CCSS.HSF-IF.C.7A

Which of the following equations would represent this graph?

• $y=4x\left(x-4\right)$

• $y=\left(x-4\right)\left(x+4\right)$

• $y=x\left(x+4\right)$
  

• $y=0.5x\left(x-4\right)$

• $y=-0.25x\left(x+4\right)$

Tags

CCSS.HSF-IF.C.7A