1. 4.2 a Standard Form of a Quadratic Function
Learning Goal
Graph quadratic functions written in standard form

2. Quadratic Function in Standard Form
property
characteristic
positive a
opens up
negative a
opens down
axis of symmetry
vertex
y-intercept

3. Finding the vertex of a parabola
equation
vertex
standard form
vertex form

4. Ex 1
Find the axis of symmetry, vertex, y-intercept, min/max value, domain, and range.
aos
vertex
y-intercept
max/min
domain
range

5. Ex 2
Find the axis of symmetry, vertex, y-intercept, min/max value, domain, and range, and graph.
aos
vertex
y-intercept
max/min
domain
range

6. Ex 3
Find the axis of symmetry, vertex, y-intercept, min/max value, domain, and range, and graph.
aos
vertex
y-intercept
max/min
domain
range

7. Homework: Page 206 #8,11,19,21 Exit slip
Identify the vertex, the axis of symmetry, the maximum or minimum value, and the range for the parabola.
Homework: Page #8,11,19,21