Normally a domestic freezer is best set to â18 Â°C (0 Â°F) or colder, as that's what the expiration dates for many food items are based on. It's also a requirement for freezers in restaurants, supermarkets & other places that sell food (at least here in Europe) to maintain a temperature of at most -18 Â°C.
Note: When you're dealing with quadratic equations, it can be really helpful to identify a, b, and c. These values are used to find the axis of symmetry, the discriminant, and even the roots using the quadratic formula. It's no question that it's important to know how to identify these values in a quadratic equation.
The Simplest Quadratic. The simplest Quadratic Equation is: f(x) = x 2. And its graph is simple too: This is the curve f(x) = x2. It is a parabola. Now let us see what happens when we introduce the a value: f(x) = ax2. 1  Larger values of a squash the curve inwards.2  Smaller values of a expand it outwards. 3  And negative values of a flip it upside down.he simplest Quadratic Equation is: f(x) = x 2. And its graph is simple too: This is the curve f(x) = x2. It is a parabola. Now let us see what happens when we introduce the a value: f(x) = ax2. 1  Larger values of a squash the curve inwards.