Day 21 - Work Day - 09.16.14

Bell Ringer

  1. What is the prime factorization of 1890?

    1. 2 * 3 * 105

    2. 2 * 3 * 3 * 3 * 35

    3. 2 * 3 * 3 * 105

    4. 2 * 3 * 3 * 3 * 5 * 7

    5. none of the above

  2. Factor the following: x2 + 6x + 8.

    1. (x - 2)(x - 4)

    2. (x - 2)(x + 4)

    3. (x + 2)(x - 4)

    4. (x + 2)(x + 4)

    5. none of the above

  3. Factor the following: x2 - 10x + 16

    1. (x - 2)(x + 8)

    2. (x + 2)(x - 8)

    3. (x - 2)(x - 8)

    4. (x + 2)(x + 8)

    5. none of the above

  4. Factor the following: x2 + x - 12

    1. (x - 3)(x - 4)

    2. (x + 3)(x + 4)

    3. (x + 3)(x - 4)

    4. (x - 3)(x + 4)

    5. none of the above

  5. Factor the following: x2 - 7x - 18

    1. (x + 2)(x - 9)

    2. (x + 2)(x + 9)

    3. (x - 2)(x - 9)

    4. (x - 2)(x + 9)

    5. none of the above
Review
  • Monomials
  • Polynomials
  • Adding/Subtracting Polynomials
  • Multiplying Polynomials by Monomials
  • Multiplying Polynomials by Polynomials
  • Special Products
Lesson
  • Intro to Factoring
    • Section 9-3
      • Practice #5-9 (odds)
      • Checkpoint 1 - #4, 6, 8
      • Practice #11-15 (odds)
      • Checkpoint 2 - #10, 12, 14, 16
      • Practice #17-33 (odds)
      • Checkpoint 3 - #30, 32, 34
      • Practice #37-53 (odds)
      • Checkpoint 4 - #48, 50, 52
Exit Ticket
  • Posted on the board at the end of the block
Lesson Objective(s)
  • How can expressions of the form ax^2 + bx + c be factored?
Standard(s)

Mathematical Practice(s)
  • #1 - Make sense of problems and persevere in solving them
  • #2 - Reason abstractly and quantitatively
  • #3 - Construct viable arguments and critique the reasoning of others
  • #6 - Attend to precision
  • #7 - Look for and make use of structure

In-class Help Request