Intro Quadratics

• Quadratic parent function

• Equation

• Polynomial

• Trinomial

The quadratic parent function is...

• y = x²

• y = ax² + bx + c

• y = mx + b

• y = x

How many x-intercepts does this parabola have?

• 0

• 1

• 2

Tags

CCSS.HSF-IF.C.7A

Identify the y-intercept

• (-1,9)

• (0,-8)

• (-4,0)

• (0,0)

Tags

CCSS.HSF-IF.C.7A

What is a Parabola?

• The graph of a quadratic function

• The graph of a linear function

• The graph of an absolute value function

• A boat

Tags

CCSS.HSF-IF.C.7A

The graph of a quadratic function is called a

• Parabola

• Vertex

• Line of Symmetry

• Vertex Form

Tags

CCSS.HSF-IF.C.7A

Which best describes the vertex of a parabola?

• Any point on the parabola.

• A point on the x-axis.

• The highest or lowest point of a parabola.

• A point on the y-axis.

Name the vertex

• (1,1)

• (0,0)

Name the y-intercept.

• (0, -3)

• (1, 0)

• (2, 1)

• (3, 0)

Tags

CCSS.HSF-IF.C.7A

Does this parabola open up or down?

• up

• down

Tags

CCSS.HSF-IF.C.7A