Learning Task/Big Idea: Students will learn how to graph quadratic equations by binding the vertex and whether the parabola opens up or down.

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Presentation transcript:

Learning Task/Big Idea: Students will learn how to graph quadratic equations by binding the vertex and whether the parabola opens up or down.

Notes: Step 1: First decide if the graph opens UP or DOWN: *If the term is ________________ the parabola opens _____________. *If the term is _______________ them parabola opens ____________.

Ex.1: Determine if the parabola will open UP or DOWN: A) B) C) D)

Step 2: Second find the coordinates of the ___________. Then you can graph the quadratic using the vertex and which way the parabola opens. *Pick out a, b from the quadratic equation: *To find the x-value of the vertex we use the formula______________. *To find the y-value of the vertex you plug the x-value into the equation.

Ex. 2: Use step 1 and step 2 to graph the quadratic equation. (Decide which way the parabola should open and find the coordinates of the vertex, then graph ) A)

B)

C)