Introduction to Factoring Quadratic Trinomials
coefficient of the middle term and a product equal to the last term.
Subject: product
Transcript: FIRST TERMS TO GET M SQUARED. MULTIPLYING THE OUTER TERMS GIVES US 4M. MULTIPLYING THE INNER TERMS GIVES US 3M AND THE LAST TERMS HAVE A PRODUCT OF 12. WE
Factor: 2k2 - 18k - 72
Factoring a quadratic trinomial with a leading coefficient greater than one.
Subject: product
Transcript: OF NUMBERS WHOSE PRODUCT IS NEGATIVE 36 AND WHOSE SUM IS NEGATIVE 9. TO GET A NEGATIVE PRODUCT, WE NEED ONE POSITIVE NUMBER AND ONE NEGATIVE NUMBER. WE
Not All Quadratic Trinomials Can Be Factored
A quadratic trinomial that cannot be factored is presented and explained.
Subject: product
Transcript: NOT ALL QUADRATIC TRINOMIALS CAN BE FACTORED. LOOK AT THIS ONE. IN ORDER TO FACTOR IT, WE NEED TO FIND TWO NUMBERS WHOSE PRODUCT IS 12 AND WHOSE SUM
Factor: y2 12y 32
Practice factoring: y2 12y 32.
Subject: product
Transcript: NUMBERS WHOSE PRODUCT EQUALS 32 AND WHOSE SUM EQUALS 12. 1 AND 32 WON'T WORK. 2 AND 16 ARE FACTORS OF 32, BUT THEY HAVE A SUM OF 18. 4 AND 8 HAVE A PRODUCT
Factor: d2 - 13d 30
The terms in a quadratic trinomial can be positive or negative. A quadratic trinomial in which the middle term is negative is factored.
Subject: product
Transcript: OF NUMBERS THAT HAS A SUM OF NEGATIVE 13. THE PAIR OF NUMBERS MUST ALSO HAVE A PRODUCT OF POSITIVE 30. SO WE WANT TWO NUMBERS THAT GIVE US A POSITIVE
Factor: x2 5xy 4y2
Factoring a trinomial with two different variables: x2 5xy 4y2.
Subject: product
Transcript: THE KEY TO FACTORING QUADRATIC TRINOMIALS IS FINDING A PAIR OF NUMBERS THAT HAS A CERTAIN PRODUCT AND A CERTAIN SUM. THAT'S ALSO THE KEY TO
Factor: 3x2 14x 8
product is equal to the last term multiplied by the leading coefficient.
Subject: product
Transcript: . THEIR SUM IS 14, THE SAME AS THE COEFFICIENT OF THE MIDDLE TERM. BUT WHAT ABOUT THE PRODUCT OF THE TWO NUMBERS? 2 TIMES 12 IS 24. THAT'S NOT THE SAME AS
One World
The impact of international business and the economic interdependency of nations on sales and selling is subject of this episode.
Subject: product
Step by Step
Learn how to understand and use the two influences for buying -- "emotional" and "rational."
Subject: product
Peak Performance
The importance of orientation and training of new salespersons, and the responsibility of the sales manager to keep sales force motivated are explained.
Subject: product