Quadratics

 $x^2+7x+12=0$  Solve by factoring. 

•  $x=-3\ and\ x=-4$  

•  $x=3\ and\ x=4$  

•  $x=\pm6$  

•  $x=-2\ and\ x=-6$  

• no solution
  

Tags

CCSS.HSA-REI.B.4B

Use the axis of symmetry formula to find the vertex.  Write your answer as an ordered pair.  Write work on back of quiz.
 $y=3x^2+6x-7$  

Solve by "finding the root". Round to the nearest hundredth. Use "+-" for the plus/minus symbol.  Type "x=".  Write work on back of quiz.
 $7x^2-11=27$  

Tags

CCSS.8.EE.A.2

What is the equation for the axis of symmetry of the parabola?

• $x=1$

• $\left(1,-4\right)$

• $y=-4$

• $x=-4$

Tags

CCSS.HSF-IF.C.7A

Use the "axis of symmetry formula" to find the vertex of the parabola.  Write your answer as an ordered pair (x,y)

 $y=3x^2-12x+5$  

 $y=3x^2-6x+2$  

Which table is for the graph of the equation and has the vertex in the middle?

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Tags

CCSS.HSF-IF.C.7A

 $y=\left(x+3\right)\left(x+1\right)$  
Which table is for the graph of the equation and has the vertex in the middle?

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Tags

CCSS.HSF-IF.C.7A

What is the table for the following equation with the vertex in the middle?

 $y=4x^2-16x+7$  

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Tags

CCSS.HSF-IF.C.7A

What is the equation for the axis of symmetry of the given parabola?

• $x=2$

• $x=4$

• $\left(2,4\right)$

• $y=2x^2+4x$

Tags

CCSS.HSF-IF.C.7A

What is the vertex of the given parabola?  Remember the vertex is a point on the graph.

• $x=2$

•  $\left(4,\ 2\right)$ 

• $\left(2,4\right)$

• $y=2x^2+4x$