Factor: 8x2 10x - 25
Practice factoring a trinomial in which the last term is negative: 8x2 10x - 25.
Subject: product
Transcript: HAVE A PRODUCT EQUAL TO 8 TIMES NEGATIVE 25. THAT'S NEGATIVE 200. SO ONE OF THE NUMBERS WILL BE POSITIVE AND THE OTHER WILL BE NEGATIVE. BEFORE WE TRY TO
Solve: 2x2 - 15x 18 = 0
Practice solving a quadratic equation: 2x2 - 15x 18 = 0
Subject: product
Transcript: 'LL BEGIN BY FACTORING THE TRINOMIAL ON THE LEFT SIDE OF THE EQUATION. TO FACTOR, WE NEED TO FIND TWO NUMBERS WHOSE PRODUCT IS 2 TIMES 18. THAT'S 36. THEIR
Right Choice, The
We explore various legal and ethical guidelines for salespeople and the rights and wrongs of selling.
Subject: product
Making Connections
Prospecting is the method by which salespeople can identify potential customers; a process which requires planning.
Subject: product
Factor: x2 5x - 24
A quadratic trinomial in which the last term is negative is factored.
Subject: product
Transcript: NUMBERS THAT WILL GIVE US A PRODUCT OF NEGATIVE 24 AND A SUM OF POSITIVE 5. TO GET A NEGATIVE PRODUCT, ONE OF THE NUMBERS WILL HAVE TO BE POSITIVE. THE
Solve: x2 - 8x 16 = 0
Practice solving a quadratic equation: x2 8x 16 = 0. Because this equation has two identical binomial factors, it has a single solution called a double root.
Subject: product
Transcript: TRINOMIAL, WE NEED TWO NUMBERS WHOSE PRODUCT IS 16 AND WHOSE SUM IS NEGATIVE 8. THOSE NUMBERS ARE NEGATIVE 4 AND NEGATIVE 4. THE FACTORS OF THE TRINOMIAL ARE
Solve: 12x2 7x - 10 = 0
Solving a quadratic equation in which the trinomial has a leading coefficient other than one.
Subject: product
Transcript: TRINOMIAL WHOSE LEADING COEFFICIENT IS NOT 1, WE EXPAND THE MIDDLE TERM AND FACTOR BY GROUPING. IN THIS CASE, WE NEED TO FIND TWO NUMBERS WHOSE PRODUCT IS
Standard Quadratic Trinomial Form
The standard form for any quadratic trinomial is ax2 bx c.
Subject: product
Transcript: FORM. THAT WAY WHEN WE FACTOR WE WON'T HAVE ANY QUESTION ABOUT WHICH TERMS TO USE FOR THE PRODUCT AND THE SUM OF THE TWO NUMBERS WE'RE LOOKING FOR.
When to Factor Instead of Using the Quadratic Formula
's coefficient and whose product is equal to the leading coefficient multiplied by the last term. An example is given and solved.
Subject: product
Transcript: WHOSE SUM IS THE SAME AS THE MIDDLE TERM'S COEFFICIENT AND WHOSE PRODUCT IS EQUAL TO THE LEADING COEFFICIENT MULTIPLIED BY THE LAST TERM. TO FACTOR, WE