February 1, 2017
Quadratic Inequalities
http://www.mathwarehouse.com/quadratic-inequality/how-to-solve-and-graph-quadraticinequality.php
http://www.purplemath.com/modules/ineqquad2.htm
Ex.
Solve:
http://www.analyzemath.com/Inequalities_Polynomial/
quadratic_graphical.html
http://www.cliffsnotes.com/study_guide/Solving-Quadratic-Inequalities.topicArticleId38949,articleId-38938.html
x2 - 5x - 14 > 0
February 1, 2017
ve
r
tex
=
(h
,k
)
Ex. Sketch:
Changing to Vertex Form
Steps...
1. ostracize the
constant
2. complete the
square
3. factor & simplify
February 1, 2017
Ex.
Change to vertex form
Finding the Vertex (without changing to vertex form)
x
e
t
r
e
v
February 1, 2017
Ex.
Find the vertex...
February 1, 2017
Ex.
Find the vertex on the calculator...
February 1, 2017
x-intercepts
February 1, 2017