Quadratic Graph Forms

What is the line of symmetry for the equation y = ½(x - 4)² - 4?

• y = 4

• y = - 4

• x = 4

• x = - 4

If the blue graph is
f(x) = x² 
then the red must be...

• g(x) = x² - 5

• g(x) = x² + 5

• g(x) = (x - 5)²

• g(x) = (x + 5)²

What is the axis of symmetry of this quadratic?  y =  (x  +  5)²  +   3

• x =5

• x=3

• x=-5

• x=-3

What are the green dots called?

• axis of symmetry

• vertex

• parabola

• roots or x-intercepts

Tags

CCSS.HSF-IF.C.7A

What is the green dashed line called?

• roots or x-intercepts

• parabola

• axis of symmetry

• line of dashes

Tags

CCSS.HSF-IF.C.7A

If given the equation y = 3(x + 5)² - 4, what is the vertex of the parabola?

• (5, -4)

• (-5, -4)

• (-15, -4)

• (15, -4)

The vertex of this graph is a

• maximum

• minumum

Which of the following equations shows the vertex form of a quadratic?

• x = -b/2a

• x = (-b ±√b² - 4ac)/2a

• y = ax² + bx + c

• y = a(x - h)² + k

Which equation is graphed above?

Tags

CCSS.HSF-IF.C.7A

What is the axis of symmetry? y = (x + 9)² + 1

• x = 9

• x = -9

• x = 1

• x = -1