10-2 Quadratic Functions

Graphing y = ax² + bx + c

Step 1 Find the equation of the axis of symmetry and the coordinates of the vertex.

Step 2 Find two other points on the graph.

Step 3 Reflect points across the axis of symmetry.

Step 4 Draw Curve

Ex 1: Graphing y = ax² + bx + c

Ex 2: Graphing y = ax² + bx + c

Graphing Quadratic InequalitiesStep 1 Graph parabola,

Dashed for < or >and Solid for < or >

Step 2 Test a point

Step 3 If point is a solution shade that side of the line. If point is not a solution shade the other side of the line.

Ex 3: Graphing Quadratic Inequalities

Ex 4: Graphing Quadratic Inequalities

CW – 10-2 WB pg 129, 1-10 all

HW – 10-2 WB pg 129, 11-21 all

CW – 10-2 WB pg 129, 22-25 all

HW – 10-2 WB pg 129, 26-30 all

CW – TX pg 711 1-10 all

HW – TX pg 711 11-20 all