Topic 9.1: Zeros of Parabolas using graph

What is the vertex of the graph?

• (2, 4)
• (3, -1)
• (0, 8)
• (4, 2)

What do we call the graph of a quadratic function?

• parabola
• linear
• cubic
• sinusoidal

Tags

CCSS.HSF-IF.C.7A

What is the green dashed line called?

• roots or x-intercepts
• parabola
• axis of symmetry
• y intercept

Tags

CCSS.HSF-IF.C.7A

What is the name of this form:
y = a(x - h)² + k

• vertex form
• standard form
• factored form
• zero form

What is the name of this form:
y = ax² + bx + c

• vertex form
• standard form
• factored form
• zero form

What is the y-intercept of this parabola?

• (−1, 3)
• (−3, 11)
• (−2, 5)
• (0, 5)

Tags

CCSS.HSF-IF.C.7A

What are the roots for this quadratic equation?

• (0,0)

• (0,0) and (0,4)

• (0,0) and (4,0)

• (0,0) and (-4,0)

Which graph appears to have exactly one x-intercept and one y-intercept?

• 
• 
• 
• 

Tags

CCSS.HSF-IF.C.7A

Identify all x−intercepts of the relation shown.

• (3, 0)

• (0, -1)

• (-1, 0)

• (-3, 0)

• (0, -3)

Tags

CCSS.HSF-IF.C.7A

How many zeros does this parabola have?

• 3

• 2

• 0

• 1

Tags

CCSS.HSA.APR.B.3