February 5

section covered in text
Appendix A.  Intervals, Inequalities, and Absolute Values

objective
to solve inequalities, and equations and inequalities with absolute values, to write the solutions in interval notation

key ideas and/or vocabulary
intervals, infinite intervals, inequalities, absolute values

solved problems - using key ideas
#8.  getting rid of the absolute value
#16, 24, 25.  solving inequalities
#30.  inequality in application
#31,40.  solving equation and inequality with absolute value
 

section covered in text
Appendix B.  Coordinate Geometry

objective
to review basic facts of coordinate geometry and conic sections

key ideas and/or vocabulary
regular coordinate system (Cartesian plane), R , quadrants, graphing inequalities, distance formula, circles, completing the square, slope, point-slope form, slope-intercept form, linear function, intercepts, parallel and perpendicular lines, conic sections (parabllas, ellipses, hyperbolas)

solved problems - using key ideas
#1.  using the distance formula
#3.  finding slope, given two points
#8,10.  graphing absolute value

group work
none

announcements
Homework.  #10,22,26,32,38 (due 2/12)
 
 
Download Adobe Acrobat Reader

 
 
 
QUESTION OF THE DAY
Given f and g defined by the following table: 
x
-3
-2
-1
0
2
3
f(x)
1
0
1
2
3
4
5
g(x)
7
2
-1
-2
-1
2
7
Determine the following: 
a)  (f+g)(-1) 
b)  (f-g)(2) 
c)  (f g)(-2) 
d)  (f/g)(-3)
  SOLUTION
 

 Return to Class Notes Menu
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
SOLUTION.  
a)  0 
b)  2 
c)  0 
d)  1/7
 
 Return to Class Notes Menu