An expression, or equation, where the highest power of x is 2. When graphed, the equation makes a curve called a parabola.
Example: 3x2 + 4x -7
🔑Key Quadratic Topics: Quadratic Graphs, Solving Quadratics, Quadratic Formula, Factorising Quadratics, Quadratic nth Term
👀Also Look up:
A series of questions given to someone to collect data about them.
🔑 Key Questionnaire Topics: Questionnaire
👀Also Look Up: Sample, Population, Data, Question Bias
Has a preference given in the question, or is asked to a group which does not represent the population.