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An equation just has an equal sign. A function is basically just an equation without one!

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Q: What is thedifrent betweena quadratic equation and a quadratic function?
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Related questions

What is quadratic linear function?

It is a quadratic equation that normally has two solutions

What is the axis of symmetry of a quadratic equation?

If a quadratic function has the points (-4,0) and (14,0), what is equation of the axis of symmetry?

What is the equation of the parent quadratic function?


Is the quadratic equation always a function?

Yes it is.

What is the relation quadratic equation to linear equation?

The derivative of a quadratic function is always linear (e.g. the rate of change of a quadratic increases or decreases linearly).

The difference between Quadratic function and quadratic equation?

dunctions are not set equal to a value

When do you say that the equation is a function or not?

i may only be 10 yrs old but i can say that an equation is not an function like the graphs of quadratic functions you will only be given an equation

What does the rule for a quadratic function tell you about how the graph of the function will look?

If the quadratic function is written as ax2 + bx + c then if a > 0 the function is cup shaped and if a < 0 it is cap shaped. (if a = 0 it is not a quadratic) if b2 > 4ac then the equation crosses the x-axis twice. if b2 = 4ac then the equation touches the x-axis (is a tangent to it). if b2 < 4ac then the equation does not cross the x-axis.

Why does the discriminant determine the number and type of the solutions for a quadratic equation?

A quadratic equation is wholly defined by its coefficients. The solutions or roots of the quadratic can, therefore, be determined by a function of these coefficients - and this function called the quadratic formula. Within this function, there is one part that specifically determines the number and types of solutions it is therefore called the discriminant: it discriminates between the different types of solutions.

What determines whether the graph of the quadratic function will open upward or downward?

The slope of your quadratic equation in general form or standard form.

Why is it sufficient to define a quadratic function in terms of a b and c?

Because solutions of quadratic equation depend solely on these three constants.

How do you find the zeros of any given polynomial function?

by synthetic division and quadratic equation