7.3 Solving Quadratics by Factoring

Describe the concavity of the following graph.

• Concave Left

• Concave Right

• Concave Up

• Concave Down

Tags

CCSS.HSF-IF.C.7A

Minimum or Maximum?

• Minimum

• Maximum

• Both

• None

Determine if the following equation is linear or quadratic.

 $f\left(x\right)\ =\ 7x^2\ +\ 13$  

• Both

• None

• Linear

• Quadratic

Look at the graph. What is the point shown called? Select all that apply.

• Minimum

• Maximum

• Vertex

• Zeros

Tags

CCSS.HSF-IF.C.7A

What do we call the line that divides a parabola in half and passes through its vertex?

• Line of Division

• Line of Symmetry

• A Line

• Slope

Solve the following equation.

 $\left(2x-3\right)\left(x+11\right)=0$  

•  $x\ =\ \frac{2}{3}$  and  $x\ =\ 11$ 

•  $x\ =\ 1$  and  $x\ =\ -9$ 

•  $x\ =\ \frac{3}{2}$  and  $x\ =\ -11$ 

• No Solutions

Tags

CCSS.HSA-REI.B.4B

Solve the following equation.

 $x^2\ -\ 6x\ =\ 27\$  

•  $x\ =\ -3$  and  $x\ =\ 9$  

•  $x\ =\ -6$   and  $x\ =\ -27$  

•  $x\ =\ 3$   and  $x\ =\ -9$  

• No Solutions

Tags

CCSS.HSA-REI.B.4B

Solve the following equation.

 $x^2\ =\ -2x+15$ 


Select all that apply.

•  $x\ =\ 5$  

•  $x\ =\ 3$  

•  $x\ =\ -5$  

•  $x\ =\ -3$  

Tags

CCSS.HSA-REI.B.4B

Solve the following equation.

 $5x^2=7-2x$  

•  $x\ =\ 5$   and  $x\ =\ -2$  

•  $x\ =\ -\frac{7}{5}$   and  $x\ =\ 1$  

•  $x\ =\ 2$   and  $x\ =\ -1$  

• No Solutions

Tags

CCSS.HSA-REI.B.4B

Solve the following equation.

 $13x\ =\ 4x^2\ -\ 12$  

• All Real Numbers

•  $x\ =\ 17$   and  $x\ =\ -12$  
  

•  $x\ =\ 4$   and  $x\ =\ 13$  

•  $x\ =\ -\frac{3}{4}$   and  $x\ =\ 4$  

Tags

CCSS.HSA-REI.B.4B