Intercept Form of Quadratic Functions

What are the x-intercepts of the parabola?

y = -3(x + 5)(x - 9)

• (-5, 0) and (9, 0)

• (5,0) and (-9, 0)

• (5, 0) and (9, 0)

• (-3, 0) and (5, 0)and (-9, 0)

Tags

CCSS.HSF-IF.C.7A

What are the x-intercepts of the parabola?

y = ¼(x + 2)(x - 6)

• (-2, 0) and (6, 0)

• (2, 0) and (-6, 0)

• (-2, 6)

• (¼, 0) and (-2, 0) and (6, 0)

Tags

CCSS.HSF-IF.C.7A

• Up

• Down

Tags

CCSS.HSF-IF.C.7A

What is the axis of symmetry of the given function?

Determine the domain and range of the function

Find the vertex   y = (x - 5)(x - 1)

• (5, 1)
• (-5, - 1)
• (-3, 4)

• (3, -4)

How many real zeros does this graph have?

• one

• two

• no zeros

• cannot be determined

Tags

CCSS.HSF-IF.C.7A

What are the

x-intercepts of the function

f(x)= -4(x - 2)(x + 3)?

• x = - 2 or x = 3

• x = 2 or x = -3

• The are no real roots

• x = 2 or x = 3

Tags

CCSS.HSF-IF.C.7C

What is the significance of the ordered pair (2, -4) to the graph?

• It is the vertex

• It is an x-intercept

• It is the y-intercept

• It is the axis of symmetry

Tags

CCSS.HSF-IF.C.7A