Quadratics Review

What is the vertex of the graph?

• (2, 4)
• (3, -1)
• (0, 8)
• (4, 2)

What is the equation for axis of symmetry?

• y=3
• x=3
• x=5
• x=1

What are the green dots called?

• axis of symmetry
• vertex
• parabola
• roots or x-intercepts

If a is negative in the function, which way does the parabola open?

• up
• down
• left
• right

What is the domain of all quadratic functions?

• x ≥ 0
• x ≤ 0
• All real numbers

Is this point (the vertex) a max or min?

• max
• min

What is the range of this quadratic graph?

• y ≥ 0
• y ≤ 0
• ℝ
• y ≥ -1

Does this graph have a maximum or a minimum?

• Maximum
• Minimum

What is the range of this quadratic graph?

• y ≥ 3
• y ≤ 3
• ℝ
• y ≤ 2

Using your calculator, graph y = 2x² + 4x - 3 and identify the max or min.

• Max: (-1, -5)
• Min: (-1, -5)
• Max: (-5, -1)
• Min: (-5, -1)