Quadratic Roots and Vertex

What are the roots of the function
f(x)= (x - 2)(x + 3)?

• x = - 2 or x = 3

• x = 2 or x = -3

• The are no real roots

• x = 2 or x = 3

What are the zeros of the quadratic function?
y = x² - 2x - 15

• x = -2
  x = -15

• x = -3
  x = 5

• x = 3
  x = -5

• x = 1
  x = -16

What are the green dots called?

• axis of symmetry

• vertex

• parabola

• roots or x-intercepts

What is the green dot on the parabola called?

• maximum

• minumum

• roots

• zeros

If a quadratic has a vertex that is a maximum, then the quadratic is...

• Concave up

• Concave down

If a quadratic is concave up, then the vertex is the...

• Minimum point

• Maximum point

Which equation below is a quadratic?

• y=9x+5

• y=3x²-6

• y=5x³+6

• x=3^x

What is the range of this function?

• (- ∞,+∞)

• [0, +∞)

• [-2, +∞)

• [2, +∞)

Another name for the x-intercept

• Roots

• Zeros

• Solutions

• All of the above

The graph of a quadratic function is called

• a line

• a hyperbola

• a parabola

• a cubic