Graphing Quadratics

What is the range of this quadratic graph?

• y ≥ 0
• y ≤ 0
• ℝ
• y ≥ -1

What is the equation for axis of symmetry?

• y=3
• x=3
• x=5
• x=1

Find the y-intercept of f(x) = 2x² - 2x + 1

• 2
• -2
• 1
• -1

What is the vertex of the quadratic function:
y = x² - 6x + 11?

• (3,2)
• (-3,-2)
• (-3,2)
• (3,-2)