Day 23 - Quadratic Factoring - 09.18.14

Bell Ringer
  • Be sure to hand in your Checkpoint sheet each day!
  • Polynomials and Factoring Test on next Friday!
  1. Solve the following equation: (x + 3) (2x - 5) = 0

    1. x = -3, 5/2

    2. x = 3, -5/2

    3. x = -3, -5/2

    4. x = 3, 5/2

    5. none of the above

  2. Solve the following equation: b(7b - 4) = 0

    1. b = 0, 4/7

    2. b = 0, -4/7

    3. b = 0, 7/4

    4. b = 0, -7/4

    5. none of the above

  3. Solve the following equation: 5y2 = -9y

    1. y = 0, -9/5

    2. y = 0, 9/5

    3. y = 0, -5/9

    4. y = 0, 5/9

    5. none of the above

  4. Factor the following: z2 - 18z - 40

    1. z = -20, 2

    2. z = 20, -2

    3. z = -20, -2

    4. z = 20, 2

    5. none of the above

  5. Factor the following: y2 - y - 42

    1. y = -7, 6

    2. y = -7, -6

    3. y = 7, -6

    4. y = 7, 6

    5. none of the above
 

Review
  • Monomials
  • Polynomials
  • Adding/Subtracting Polynomials
  • Multiplying Polynomials by Monomials
  • Multiplying Polynomials by Polynomials
  • Special Products
  • Intro to Factoring
  • Factoring x2 + bx + c

Lesson
  • Factoring x2 + bx + c
    • 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
  • Factoring ax2 + bx + c
    • Section 9-4
      • Practice #5-9 (odds)
      • Checkpoint 1 - #4, 6, 8
      • Practice #15-31 (odds)
      • Checkpoint 2 - #26, 28, 30
      • Practice #35-47
      • Checkpoint 3 - #36, 42, 44, 46, 48

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