This algebra and precalculus video tutorial provides a basic introduction into solving summation problems expressed in sigma notation. It also explains how to find the sum of arithmetic and geometric sequences.
Sequences - Free Formula Sheet: https://www.video-tutor.net/algebra-formula-sheet.html
Calculus 1 Final Exam Review: https://www.youtube.com/watch?v=WmBzmHru78w
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Algebra For Beginners: https://www.youtube.com/watch?v=MHeirBPOI6w
Algebra 1 Review Study Guide: https://www.youtube.com/watch?v=TbJ5gqLRpeM
Algebra Final Exam Review: https://www.youtube.com/watch?v=U0Y8nSmEpNM
Pre-Calculus Final Exam Review: https://www.youtube.com/watch?v=Tj-V6KnwM5w
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How To Evaluate Algebraic Expressions: https://www.youtube.com/watch?v=-VCUcRtQjx8
Fractions - Basic Introduction: https://www.youtube.com/watch?v=GvLIEiqxS6s
How To Solve Linear Equations: https://www.youtube.com/watch?v=7DPWeBszNSM
Linear Equations - Test Review: https://www.youtube.com/watch?v=Ft2_QtXAnh8
How To Factor Trinomials: https://www.youtube.com/watch?v=-4jANGlJRSY
Systems of Linear Equations - 2 Variables: https://www.youtube.com/watch?v=oKqtgz2eo-Y
Quadratic Equations - Test Review: https://www.youtube.com/watch?v=fFFA7Q4eVuY
Multiplying Rational Expressions: https://www.youtube.com/watch?v=RROSgr4oXjU
Graphing Rational Functions: https://www.youtube.com/watch?v=bWVhwYdSnfk
Radical Expressions - Test Review: https://www.youtube.com/watch?v=wOcc5EoOojE
Logarithms Practice Problems: https://www.youtube.com/watch?v=7DVbQKI600k
Functions and Graphs - Practice Problems: https://www.youtube.com/watch?v=kvU9sOzT2mk
How To Graph Equations in Algebra: https://www.youtube.com/watch?v=CEWBPgfzaCo
Functions - Test Review: https://www.youtube.com/watch?v=1xATmTI-YY8
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Conic Sections - Basic Introduction: https://www.youtube.com/watch?v=YWHyovdHqkg
Finding The Radius and Center of a Circle: https://www.youtube.com/watch?v=vSw9VAM8hfY
Writing Equations and Graphing Circles: https://www.youtube.com/watch?v=u_39J-syjB0
Writing Equations of Ellipses: https://www.youtube.com/watch?v=OPSCKXXvWiM
Circumference of an Ellipse: https://www.youtube.com/watch?v=r5pl_stL4c0
Area of an Ellipse: https://www.youtube.com/watch?v=Mw3MeDLL8d4
Eccentricity of an Ellipse: https://www.youtube.com/watch?v=9hyQksn80ug
Hyperbolas - Conic Sections: https://www.youtube.com/watch?v=Iu-4-fizlD4
Parabolas - Focus and Directrix: https://www.youtube.com/watch?v=KYgmOTLbuqE
How To Find The Vertex of a Parabola: https://www.youtube.com/watch?v=qsA3e5lGwKo
Conic Sections Quiz: https://www.youtube.com/watch?v=vqZO_CrEdPs
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Arithmetic Sequences: https://www.youtube.com/watch?v=XZJdyPkCxuE
Geometric Sequences: https://www.youtube.com/watch?v=zRKZ0-kOUZM
The Fibonacci Sequence: https://www.youtube.com/watch?v=mVO2dcuR7P0
Arithmetic, Geometric, & Harmonic Mean: https://www.youtube.com/watch?v=6G6i8vSa8Zs
Probability - Basic Intro: https://www.youtube.com/watch?v=SkidyDQuupA
Intro to Statistics: https://www.youtube.com/watch?v=XZo4xyJXCak
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GPA Calculator: https://www.youtube.com/watch?v=qYHsThZWydY
Student Loans: https://www.youtube.com/watch?v=_KRBqpnR0xs
Save Money In College: https://www.youtube.com/watch?v=yNO02qfMSwI
SAT Test Prep: https://www.youtube.com/watch?v=fTGuTEQCsZY
ACT Test Prep: https://www.youtube.com/watch?v=SsA7rZ8kczM