Classifying Quadratic Functions

What is the vertex of this function?

• (0, -3)

• (1, -4)

• (-2, 5)

• {-1, 3}

The graph of a quadratic function is called

• a line
• a hyperbola
• a parabola
• a cubic

The standard form of a quadratic equation is

• y=x²

• y=ax²+bx+c

• y=mx+b

• y=x

Which of the following is NOT a quadratic function

• f(x) = -3x²

• f(x) = -5x - 3x²

• f(x) = 3x³ - 4x² + 5

• f(x) = 3x + 5

f(x) = 3x² - 4 is a quadratic function

• true

• false

What are the green dots called?

• solutions

• x-intercepts

• zeros

• roots

What is the DOMAIN of the graph?

• All real numbers

• [0, ∞)

• y ≥ 0

• (-∞, ∞)

What is the RANGE of the graph?

• All real numbers

• [0, ∞)

• y ≥ 0

• (-∞, ∞)

What is the green dashed line called?

• roots or x-intercepts
• parabola
• axis of symmetry
• line of dashes