N5 Quadratics (60-71)
60. Determining Graphs of the form y = kx^2
60. Determining y=kx^2
61. Determining y = (x+a)^2+b
61. Determining y=(x+a)^2+b
62. Sketching y = (x+a)(x+b)
62. Sketching y = (x+a)(x+b)
63a. Sketching y = (x+a)^2+b
63a. Sketching quadratics (x+a)^2+b
63b. Sketching y = - (x+a)^2 + b
63b. Sketching y = -(x+a)^2+b
63c. Sketching y = k(x+a)^2 +b
63c. Sketching y=k(x+a)^2+b
64a. Sketching y = ax^2 +bx+c (Part 1)
64a. Sketching y=ax^2+bx+c (part 1)
64b. Sketching y = ax^2+bx+c (Part 2)
64b. Sketching y = ax^2+bx+c (Part 2)
65a. Identifying in Completed Square form
65a. Identifying in Completed Square form
65b. Identifying by Completing the Square first
65b. Identifying by Completing the Square first
66. Solving Equations (with HCF and Difference of Two Squares Factorising)
66. Solving Equations (with HCF or Difference of Two Squares)
67a. Solving Quadratics (Part 1)
67a. Solving Quadratic Equations (Part 1)
67b. Solving Quadratic Equations (Part 2)
67b. Solving Quadratics Equations (Part 2)
67c. Solving Quadratic Equations (not in general form)
67c. Solving Quadratic Equations (not in general form)
68. Finding the Point of Intersection between a Line and a Curve
68. Finding the Point of Intersection between a Line and a Curve
69a. The Quadratic Formula (Part 1)
69a. The Quadratic Formula (Part 1)
69b. The Quadratic Formula (Part 2)
69b. The Quadratic Formula (Part 2)
70a. Problem Solving with Quadratics (Part 1)
70a. Problem Solving with Quadratics (Part 1)
70b. Problem Solving with Quadratics (Part 2)
70b. Solving Problems with Quadratics (Part 2)
71. The Discriminant
71. The Discriminant