Let's identify (and graph) a couple of more conics!
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Linear Equations
00:07:38Salman KhanSolving linear equations with variable expressions in the denominators of fractions.
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Another Percent Word Problem
00:06:18Salman KhanFinding the full price when you know the discount price.
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Ratio Problem with Basic Algebra
00:05:12Salman KhanA slightly more involved ratio problem with algebra.
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Alternate Solution to Ratio Problem
00:07:02Salman KhanAn alternate solution to the advanced ratio problem in the last video.
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Complex Numbers Part 1
00:10:10Salman KhanIntroduction to complex numbers. Adding, subtracting and multiplying complex numbers.
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Introduction to the Quadratic Equation
00:09:15Salman KhanIntroduction to using the quadratic equation to solve 2nd degree polynomials.
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Quadratic Equation Part 2
00:09:14Salman Khan2 more examples of solving equations using the quadratic equation.
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Functions Part 3
00:09:12Salman KhanEven more examples of function exercises. Introduction of a graph as definition of a function.
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Proof: log a + log b = log ab
00:07:08Salman KhanProof of the logarithm property: log a + log b = log ab.
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Proof: A(log B) = log (B^A), log A - log B = log (A/B)
00:07:57Salman KhanProofs of the logarithm properties: A(log B) = log (B^A) and log A - log B = log (A/B).
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Introduction to Conic Sections
00:10:58Salman KhanWhat are conic sections and why are they called "conic sections"?
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Parabola Focus and Directrix Part 1
00:14:31Salman KhanParabola as the locus of all points equidistant from a point and a line.
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Parabola Focus and Directrix Part 2
00:18:28Salman KhanFinding the focus and directrix of a parabola.
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Two Passing Bicycles Word Problem
00:05:39Salman KhanAlgebra word problem involving two bicycles passing each other.
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Passed Bike Word Problem
00:05:54Salman KhanFun algebra word problem involving a train passing a bike.
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Rational Inequalities Part 1
00:11:49Salman KhanTwo ways to solve a rational inequality (or an inequality involving a fractional expression).
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Interesting Polynomial
00:16:15Salman KhanFinding the coefficients of a third degree polynomial given 2 roots and the y-intercept.
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Geometric Series Sum to Figure Out Mortgage Payments
00:17:36Salman KhanFiguring out the formula for fixed mortgage payments using the sum of a geometric series.