Unit 4 Review

Identify the vertex of the graph. Tell whether it is a minimum or maximum.

• A) (0, 0); maximum

• B) (0, 1); maximum

• C) (0, 1); minimum

• D) (0, 0); minimum

Which of the quadratic functions has the narrowest graph?

Which graph will have the widest parabola?

What function models the graph below?

• y= (x+4)² -2

• y= (x+2)² +4

• y= (x-4)² +4

• y= (x-4)² +2

• 
• 
• 
• 

Use vertex form to write the equation of the parabola.

• y= (x-2)² -3

• y= 3(x+2)² -3

• y= 3(x-2)² -3

• y= 3(x+2)² +3

• 
• 
• 
• 

• (-2, -7)

• (-5, -7)

• (5, -7)

• (5, 7)