Quadratic Functions and Forms

Identify the form of the quadratic function:

f(x) = 2x² + 4x + 1

• Vertex

• Standard

• Factored

Identify the form of the quadratic function:

f(x) = (x - 8)(x + 8)

• Vertex

• Standard

• Factored

Identify the form of the quadratic function:

f(x) = x² - 9x + 11

• Vertex

• Standard

• Factored

Identify the form of the quadratic function:

• Standard

• Factored

• Vertex

What can we find easily in factored form?

• y-intercept

• vertex

• x-intercepts

What can we find easily in vertex form?

• vertex

• y-intercept

• x-intercepts

What information can I find from this form of the equation?

• x-intercepts: x = -5 and x = 12

• y-intercept: y = 12

• vertex: (-5, 12)

What can we find easily in standard form?

• vertex

• x-intercepts

• y-intercept

Which one is NOT a form of quadratic functions?

• General Form

• Factored Form

• Regular Form

• Vertex Form

Identify the form of the quadratic function:

f(x)=(x+1)²-3

• Quadratic

• General

• Factored

• Vertex