Key learning points

1. A table of values can be useful to identify coordinate pairs which satisfy the equation.
2. By substituting the values for x, you can calculate corresponding values for y.
3. If used correctly, your calculator can be a powerful tool to speed up calculations.

Keywords

• Quadratic - A quadratic is an equation, graph, or sequence whereby the highest exponent of the variable is 2 The general form for a quadratic is $$ax^2 + bx + c$$

• Parabola - A parabola is a curve where any point on the curve is an equal distance from a fixed point (the focus), and a fixed straight line (the directrix).

Common misconception