1 / 10

ALGEBRA – LESSON 109

ALGEBRA – LESSON 109. Advanced Trinomial Factoring. Training Camp Answers. 7, -5 -5/6, 5/6 2, -2 -4/3, 2 -8, 2 -2, 2. Grade Scale – 30 possible. 29.5 – 98% 22.5 – 75% 29 – 97% 22 – 73% 28.5 – 95% 21.5 – 72% 28 – 93% 21 – 70% 27.5 – 92% 20.5 – 68%

bruce-marquez
Download Presentation

ALGEBRA – LESSON 109

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. ALGEBRA – LESSON 109 Advanced Trinomial Factoring

  2. Training Camp Answers • 7, -5 • -5/6, 5/6 • 2, -2 • -4/3, 2 • -8, 2 • -2, 2

  3. Grade Scale – 30 possible 29.5 – 98% 22.5 – 75% 29 – 97% 22 – 73% 28.5 – 95% 21.5 – 72% 28 – 93% 21 – 70% 27.5 – 92% 20.5 – 68% 27 – 90% 20 – 67% 26.5 – 88% 19.5 – 65% 26 – 87% 19 – 63% 25.5 – 85% 18.5 – 62% 25 – 83% 18 – 60% 24.5 – 82% 17.5 – 58% 24 – 80% 17 – 57% 23.5 – 78% 16.5 – 55% 23 – 77% 16 – 53%

  4. Grade Scale – 15 possible 14.5 – 97% 7.5 – 50% 14 – 93% 7 – 47% 13.5 – 90% 6.5 – 43% 13 – 87% 6 – 40% 12.5 – 83% 5.5 – 37% 12 – 80% 5 – 33% 11.5 – 77% 4.5 – 30% 11 – 73% 4 – 27% 10.5 – 70% 3.5 – 23% 10 – 67% 3 – 20% 9.5 – 63% 2.5 – 17% 9 – 60% 2 – 13% 8.5 – 57% 1.5 – 10% 8 – 53% 1 – 07%

  5. Factoring Trinomials You know how to factor or “unfoil” trinomials. Up to now, the coefficient of the squared term has always been 1 so we have used the “trick” of finding 2 numbers that multiply to give you the last number and add to give you the middle coefficient. Factor completely: Now, we will factor trinomials in which the first coefficient is NOT one. We will have to take this into account when we factor. 2x2 – 11x + 5 (2x )( x ) - 1 - 5 The only way to have a product of five is -5 times -1. How can we arrange them to equal the original equation? #1

  6. Factoring Trinomials This is largely a trial and error process. If you can’t make a factor work, consider if there’s more than one way to make your first term. Factor completely: 6x2 – 25x + 4 (6x )( x ) - 1 - 4 (2x )( 3x ) To have a product of four, I can multiply -4 and -1, -1 and -4, or -2 and -2. Which way will work? #2

  7. Factoring Trinomials Factor completely: 5x2 – 31x + 6 (5x )( x ) - 1 - 6 To have a product of six, I can multiply-1 and -6, -6 and -1, -2 and -3, or -3 and -2. Which way will work? #3

  8. Factoring Trinomials Factor completely: 3x2 – 22x + 7 (3x )( x ) - 1 - 7 #4

  9. Factoring Trinomials Factor completely: 4x2 – 9x + 2 (2x )( 2x ) (4x )(x ) - 1 - 2 #5

  10. Homework: Worksheet

More Related