Quadratics: Vertex and Standard form

• Right 3

  UP 5

• Right 3

  Down 5

• Left 3

  Up 5

• Left 3

  Down 5

• Stretch of 3

  Left 4

  Up 6

• Stretch of 3

  Right 4

  Up 6

• Stretch of 3

  Left 4

  Down 6

• Stretch of 3

  Right 4

  Up 6

• Maximum

• Minimum

• a = 4

• a = 3 

• a = 2 

• a = 1 

Find the axis of symmetry for

f(x) = x²- 4x + 5.

• x = -2

• x = 2

• y = 2

• y = -2

• y= 2x +1

Answer explanation

Find the Vertex:
f(x) = x² + 10x + 21

• (-5,-4)
• (1,10)
• (10,21)
• No Real Solution

Find the Vertex:
y = x² + 6x + 2

• (-3,-7)
• (1,6)
• (6,2)
• No Real Solution

Quadratic equations take the shape of a _______ when graphed.

• parabola

• straight line

• wavey line/snaked

• circle/elliptical