Semester 2 Final Exam IM 2

What is the vertex of the graph?

• (2, 4)
• (3, -1)
• (0, 8)
• (4, 2)

What is the maximum/minimum of a parabola called?

• vertex
• point
• top
• bottom

What is the green dashed line called?

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

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)

Which letter determines if a parabola opens up or down?

• a

• h

• k

What is the axis of symmetry?

• the slope of the graph
• the dividing line for a parabola
• a way to spin my pencil
• the x-axis

A parabola has a vertex at (-3,2).
Where is the axis of symmetry?

• y = -2
• x = 3
• x = -3
• y = 2

A parabola has a vertex at (-3,2).
Where is the axis of symmetry?

• y = -2
• x = 3
• x = -3
• y = 2

Find the axis of symmetry for
f(x) = x²- 8x + 15.

• x = -4
• x = 4
• y = 4
• y = -4