Graphing Quadratics in Vertex or Intercept Forms

Which of the following equations represents the standard form of a quadratic function?

Which of the following equations represents the vertex form of a quadratic function?

Which equation is in intercept form? (also known as factored form)

• f(x) = 3x +2

• f(x) = -3(x - 1)(x + 5)

• f(x) = x² + 2x + 3

• f(x) = -4(x - 2)² + 1

Which of the following vocabulary words describes the point where a quadratic function reaches its highest or lowest point?

• Y-Intercept

• X-Intercept(s)

• Axis of Symmetry

• Vertex

Which quadratic function is represented by the graph?

• y = -(x + 1)² - 4

• y = -(x + 1)² + 4

• y = -(x - 1)² - 4

• y = (x + 1)² + 4

Determine the vertex of h(x) = (x - 8)(x + 2)

• (-8, 2)

• (8, -2)

• (3, -25)

• (3, 25)