Deriving the Quadratic Formula

Use this activity to:

• explain the steps and complete some missing steps for deriving the quadratic formula.

• know how the quadratic formula is related to the process of completing the square for a quadratic equation.

1.Make a copy Deriving the Quadratic Formula task set to record your answers while working through this interactive lesson.

2. If you need to review, watch the video on the left.

Quadratics Problem-Solving Task

Work on this task 10-15 minutes each day. It may take 3-5 days to find solutions.

Rewriting Quadratic Expressions in Vertex Form

Use this activity to:

• identify the vertex of the graph of a quadratic function when the expression that defines it is written in vertex form.

• know the meaning of the term “vertex form” and can recognize examples of quadratic expressions written in this form.

• When given a quadratic expression in standard form, rewrite it in vertex form.

1.Make a copy Rewriting Quadratic Expressions in Vertex Form task set to record your answers while working through this interactive lesson.

2. If you need to additional help, watch the video on the left.

Quadratics Problem-Solving Task

Work on this task 10-15 minutes each day. It may take 3-5 days to find solutions.