Vertex Form

• (-3, 5)

• (3, 5)

• (-3, -5)

• (3, -5)

Write the following quadratic expression in completed square form...

x² + 4x + 10

• (x + 4)² + 6

• (x + 2)² + 6

• (x + 4)² - 6

• (x + 2)² - 6

Write the following quadratic expression in completed square form...

x² + 8x + 2

• (x + 4)² - 14

• (x + 4)² - 6

• (x + 4)² - 18

• (x + 4)² + 6

Identify the vertex.

• (5, 2)

• (5, -2)

• (-5, 2)

• (-5, -2)

• ( 4 , 8 ) 

• ( -4 , -8 ) 

• ( 4 , -8 )

• ( -4 , 8 )

Find the axis of symmetry for

f(x) = x²- 4x + 5.

• x = -2

• x = 2

• y = 2

• y = -2

• y= 2x +1

Answer explanation

Given the equation for this parabola:
 y=-(x-4)²-3,
does this parabola have a maximum or minimum value?

• Maximum
• Minimum

The axis of symmetry line passes through which point?

• y-intercept
• any random point
• vertex
• symmetrical point for the vertex

What is the green dot on the parabola called?

• maximum

• minumum

• roots

• zeros

Standard form of a quadratic equation

• y=x²

• y=ax²+bx+c

• y=mx+b

• y=x