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Introduction to algebra
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Converting repeating decimals to fractions
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Solving systems with substitution
Super fast systems of equations
Thinking about solutions to systems
Arithmetic
Arithmetic and pre-algebra
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Intro to addition and subtraction
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Adding and subtracting fractions with unlike denominators
Adding and subtracting mixed number with unlike denominators
Mixed number addition and subtraction
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Calculus
Indefinite and definite integrals
Indefinite integral as anti-derivative
Riemann sums and definite integration
U-substitution
Early math
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Introduction to Euclidean geometry
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  • Simple Riemann approximation using rectangles

    Khan Academy
    689
    06:43

  • Basic trig and exponential antiderivatives

    Khan Academy
    682
    04:03

  • Antiderivatives and indefinite integrals

    Khan Academy
    641
    03:42

  • Indefinite integrals of x raised to a power

    Khan Academy
    670
    05:47

  • Antiderivative of hairier expression

    Khan Academy
    748
    06:15

  • Consistent and Inconsistent Systems

    Khan Academy
    1140
    05:28

  • Independent and Dependent Systems

    Khan Academy
    1133
    05:09

  • Practice thinking about number of solutions to systems

    Khan Academy
    1148
    06:35

  • Infinite solutions to systems

    Khan Academy
    1186
    07:06

  • Special types of linear systems

    Khan Academy
    1092
    15:17

  • Inconsistent systems of equations

    Khan Academy
    1206
    09:23

  • Solving systems of equations by multiplication

    Khan Academy
    1233
    12:00

  • Solving systems of equations by elimination

    Khan Academy
    1287
    12:43

  • Solving linear systems by graphing

    Khan Academy
    1225
    08:29

  • Solving linear systems by substitution

    Khan Academy
    1265
    09:20

  • Example 1: Solving systems by substitution

    Khan Academy
    1425
    03:43

  • Example 2: Solving systems by substitution

    Khan Academy
    1310
    04:05

  • Example 3: Solving systems by substitution

    Khan Academy
    1583
    06:03

  • The Substitution Method

    Khan Academy
    1374
    04:38

  • Substitution Method 2

    Khan Academy
    1476
    03:43

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