Skills for this week’s quiz

Be sure you are comfortable with the following:

• Expanding brackets, e.g. Write 2(x-3)(2x+5) in standard form
•  Factoring quadratic expressions, e.g. Write 2x²+ 5x + 2 in factored form. This includes:
  •  Differences of squares, e.g. 9x² – 36
  •  Perfect squares, e.g. 9x² + 12x + 4
  •  Expressions that require the removal of a common factor, e.g. 2x² + 6x – 8
  •  Expressions in which a > 0, e.g. 3x² + x – 2
• Sketching and labelling main features of a quadratic from its equation:
  • vertex
  • axis of symmetry
  • zeroes
  • shape
  • function
• Finding the equation of a quadratic from its sketch
• Finding the equation of a quadratic given its zeroes and its y-intercept only
• Answering concept questions in the context of a real-world example