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Math PapaPodcasts

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education k-12

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Parabolas Ep. 4 - Looking at Parabolas When a is a...

Math PapaPodcasts ·

2009/02/03

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Factoring Ep.1: Guideline to Factoring - 6:34

Math PapaPodcasts ·

2009/01/29

KEY CONCEPTS:First step to factoring, is to find a common factor.After that, regardless of whether there is a common factor or not is to count the number of terms.Based on that will determine how to Factor

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Polynomials Ep. 8: Special Products (a+b)2 - 6:13

Math PapaPodcasts ·

2009/01/28

KEY CONCEPTS:(a+b)^2 = a^2+2ab+b^2- square your a value - first term of your Perfect Square Trinomial- square your b value - third term of your Perfect Square Trinomial- multiply your a and b value together and then multiply that value by 2 to get your middle term of your trinomial

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Polynomials Ep. 7 - Multiplying Binomials

Math PapaPodcasts ·

2009/01/28

KEY CONCEPTS:F.O.I.L Method - First - Outer - Inner - LastMultiplying binomials form trinomials

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Parabolas Episode 9 - The Vertex Form of Quadratic...

Math PapaPodcasts ·

2009/01/27

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Parabolas Ep. 7 - Introduction of the (0,k) Vertex...

Math PapaPodcasts ·

2009/01/27

KEY CONCEPTS: In this video we see how Quadratic Function written in the form of:y=ax^2+k - will lead us to a vertex of (0,k)

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Parabolas Ep. 6 - Using the 1,3,5-Pattern for...

Math PapaPodcasts ·

2009/01/27

KEY CONCEPTS: In this video we look at the 1,3,5-Pattern for graphing quadratic function (parabolas). These videos are intended for the viewer to steer away from using Table of Values and to use the Vertex form along with the 1,3,5-Pattern.How did we come up with the 1,3,5-Pattern? Look closely at the differences in the y-axis.

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Parabolas Ep. 2 - The Quadratic Function - 4:16

Math PapaPodcasts ·

2009/01/27

KEY CONCEPTS:The following video looks at the various ways that quadratic functions can be written. Be on the lookout for such equations, because if you ever come across them you'll know they form a parabola.

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Parabolas Ep. 11 - Steps to Completing the Square -...

Math PapaPodcasts ·

2009/01/26

KEY CONCEPTS:Completing the Square involves converting a quadratic function from STANDARD FORM into a VERTEX FORM.Steps:1. Group the x's together and keep the constant (c-value) off to the side.2. Factor the a-value from x^2 and x (IF we have an a-value)3. Divide the x-value by 2 and then square it.4. With the value you get from Step 3, add it to your x^2 and x value and subtract it by that same value (don't forget about the c-value - we're not using it yet, until the end)5. The first 3 terms you

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Parabolas Episode 10: Completing the Square - 24:40

Math PapaPodcasts ·

2009/01/26

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Parabolas Episode 8 - Introduction of the (h,0)...

Math PapaPodcasts ·

2009/01/26

KEY CONCEPTS: This video looks at Quadratic Function written in the form:y=a(x-h)^2 - where the vertex is (h,0)**NOTE: When writing the x-value of the vertex, take the opposite sign of what's within the brackets. (i.e. y=2(x+3)^2 would give us a vertex of (-3,0)

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Parabolas Ep. 5 - Looking at Parabolas that Reflect...

Math PapaPodcasts ·

2009/01/26

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Parabolas Ep. 3 - Looking at the Differences in...

Math PapaPodcasts ·

2009/01/26

KEY CONCEPTS:The following podcasts investigates table of values for quadratic functions. Understanding that difference we can graph other quadratic functions without the need to complete a table of values.

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Parabolas Episode 1 - Who Cares About Parabolas - 2:34

Math PapaPodcasts ·

2009/01/26

This short video just looks at how parabolas are everywhere.

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Factoring Ep.5: Factor Quadratics (Trinomials), a not...

Math PapaPodcasts ·

2009/01/26

KEY CONCEPTS:Notice that your trinomial is a quadratic function, where the value of a is NOT equal to 1.Use the sum-product rulei.) find 2 numbers that multiply to your "a" and "c" value, that ALSO ADD up to your "b" value.ii.) expand your middle termiii.) factor by groupingiv.) answer should be a set of binomials

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Polynomials Ep. 9 - Special Products (a-b)2 - 5:49

Math PapaPodcasts ·

2009/01/26

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Polynomials Ep. 6 - Dividing Monomials - 3:26

Math PapaPodcasts ·

2009/01/26

KEY CONCEPTS:same rules apply like when multiplying monomials, except that we are dividing. Also remember the exponent rule, when powers have the same base, subtract the exponents.

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Polynomials Ep. 5 - Multiplying Monomials - 5:30

Math PapaPodcasts ·

2009/01/26

KEY CONCEPTS:When multiplying monomials, multiply:- numbers with numbers- same letters with same letters**NOTE: When multiplying the letters with one another keep in mind the exponent rule for multiplying powers with the same base (ADD the exponents)

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Polynomials Ep. 4 - Subtracting Polynomials - 5:32

Math PapaPodcasts ·

2009/01/26

KEY CONCEPTS:When subtracting polynomials, distribute the negative from outside of the brackets by REVERSING the signs of all the terms within the brackets.

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Polynomials Ep. 3 - Adding Polynomials - 5:42

Math PapaPodcasts ·

2009/01/26

KEY CONCEPTS:Since the function outside of the SECOND set of brackets is a positive you can simply remove the brackets and collect like terms.LIKE TERMS: terms that have the same variable (letter) as well as the same exponent. When adding the like terms, simply add the numbers in front and keep the variable (letter) the same (i.e. 3x+5x = 8x)x, 7x, 9x, -3x are like terms with one another. 6x^2 is NOT a like term with the previous examples because of the exponent 2 found with the variable x.

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Math PapaPodcasts

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