ACT Math Review: Circles/Arcs from the Khan Academy

Video:  Circles: Radius, Diameter and Circumference

Video:  Area of a Circle

 Video:  Inscribed and Central Angles

Video:  Perpendicular Radius Bisects Chord

 Video:   Right Triangles Inscribed in Circles (Proof)

Video:  Area of Inscribed Equilateral Triangle (some basic trig used)


Practice with ARCS: 
Circles and arcs Relate the length of an arc to the circumference of a whole circle.

Areas of circles and sectors Relate the area of a sector to the area of a whole circle.


 

ACT Math Review: Ratios from the Khan Academy

Video:  Ratio and Proportion

Video    Understanding Proportions

Video   Ratio word problems

This is a sampling-you should explore the related videos and practice exercises. 

ACT Math Review Graphing from the Khan Academy

Video   Example: Graphing a quadratic

Video   Graphing Functions Ex 1: Evaluating a function

Video  Ex 2: Graphing a basic function

Video    Ex 3: Graphing a quadratic function

Video    Ex 4: Graphing radical functions

 
 Video    Ex: Graphing exponential functions

 

ACT Math Review Factoring from the Khan Academy

Video   Factoring quadratic expressions

Practice  Solving quadratics by factoring

Video   Example 1: Factoring trinomials with a common factor
 
Practice   Factoring polynomials 2

Practice   Solving quadratics by factoring 2

 
Video    Factoring Special Products

Video   Example 1: Factoring difference of squares

Video   Example 2: Factoring difference of squares

Practice   Factoring difference of squares 1

Practice   Factoring difference of squares 2

Practice   Factoring difference of squares 3

ACT Trigonometry Review from the Khan Academy


Khan Academy Trig Review

 Below are links to videos and practice sessions at the Khan Academy.






 


 



 

ACT Cram Sessions for June 8th Test


ACT Cram Sessions
Test Prep for June 8, 2013 Test

Tuesday June 4th, 4:30-9:00p.m.
Wednesday June 5th, 5:00-9:00p.m.
Thursday June 6th, 5:00-9:00p.m.
Class meets at the Stetson University DuPont-Ball Library.

Cost is $100/student, due the first night of class.

Please register by email
Name
Phone Number
Email
Previous Test Scores if available.  (Tell me about your situation.)

Karen Ponder
321-525-6024
boxbuilders@gmail.com

Once registered, I will send an email with the materials you will need to print for class.  (If you need me to provide the printed materials there will be a $40 charge. Let me know ASAP so I have time to print them.)
Be prepared-bring your calculators, pencils, note cards, and a device that will record lap times! 
(I use my iphone stopwatch.)









 

 

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