10/21 Practice Quadratic Forms #2

Use the following quadratic equation:

 $f\left(x\right)=x^2+6x+5$  
What form is the quadratic function in?

• Standard Form

• Vertex Form

• Intercept Form

• Slope Form

Use the following quadratic equation:

 $f\left(x\right)=x^2+6x+5$  
What is the axis of symmetry?

• x=3

• x=6

• x= -3

• x= 2

Use the following quadratic equation:

 $f\left(x\right)=x^2+6x+5$  
What is the vertex?

• (-3,-4)

• (2,21)

• (3,32)

• -2,1)

Use the following quadratic equation:

 $f\left(x\right)=x^2+6x+5$  
What is the y-intercept?

• (0,-3)

• (0,5)

• (5,0)

• (0,-2)

Use the following quadratic equation:

 $f\left(x\right)=x^2+6x+5$  
What is the Domain?

•  $x\ge-5$  
  

•  $x\le5$  
  

• All Real Numbers

•  $x\ge5$  
  

Use the following quadratic equation:

 $f\left(x\right)=x^2+6x+5$  
What is the Range?

•  $y\ge-5$  
  

•  $y\le5$  
  

• All Real Numbers

•  $y\ge-4$  
  

Use the following quadratic equation:

 $f\left(x\right)=x^2+6x+5$  
What is the positive Interval?

•  $\left(-\infty,-5\right)\left(-1,\infty\right)$  
  

•  $\left(-\infty,\infty\right)$  
  

•  $\left(-5,-1\right)$  
  

•  $\left(-\infty,-4\right)$  

Use the following quadratic equation:

 $f\left(x\right)=x^2+6x+5$  
What is the negative Interval?

•  $\left(-\infty,-5\right)\left(-1,\infty\right)$  
  

•  $\left(-\infty,\infty\right)$  
  

•  $\left(-5,-1\right)$  
  

•  $\left(-\infty,-4\right)$  

Write the equation of the quadratic in standard form given the three points (0,2) (-1,1) (-2,2) (hint: 0,2 is the y-intercept)

• $y=x^2+2$

• $y=x^2+2x+2$

• $y=2x^2-x+2$

• I don't know