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In general, it is very difficult. Even if a graph looks like a straight line over the domain there is no guarantee that the underlying equation makes the equation non-linear as you move away from the visible domain.
A typical example, from school physics, concerns Hooke's law. The extension of a length of wire under different strains follows a linear relationship. Until the strain reaches a critical level and then the relationship goes all haywire.
Looking at the graph below that critical level, the equation would be a straightforward linear one. But that is true only as far as it goes.
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What is the graph of an equation?
The graph of an equation is a visual representation of the values that satisfy the equation.
What is the graph for quadratic equation?
the graph for a quadratic equation ct5r
How to write an equation for a graph?
It depends on the graph. There may or may not be an equation.
What is the graph called of a quardic equation?
The graph of a quadratic equation is a parabola
How you find the solution of a quadratic equation by graphing its quadratic equation?
When you graph the quadratic equation, you have three possibilities... 1. The graph touches x-axis once. Then that quadratic equation only has one solution and you find it by finding the x-intercept. 2. The graph touches x-axis twice. Then that quadratic equation has two solutions and you also find it by finding the x-intercept 3. The graph doesn't touch the x-axis at all. Then that quadratic equation has no solutions. If you really want to find the solutions, you'll have to go to imaginary solutions, where the solutions include negative square roots.
