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Q: How can a graph be used to determine how many solutions an equation has?

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An equation can be determine to have no solution or infinitely many solutions by using the square rule.

An identity equation has infinite solutions.

It will depend on the equation.

no solutions

No Solutions

Higuchi equation and a type of graph. There are many ways to write out this type of graph.

infinitely many solutions :)

The discriminant is -439 and so there are no real solutions.

It has the following solutions.

If the discriminant of a quadratic equation is less then 0 then it will have no real solutions.

You'll need another equation to solve this one. The equation you give has a graph that is a line. Every point on the line is a solution to the equation so there are infinitely many solutions.

If the highest degree of an equation is 3, then the equation must have 3 solutions. Solutions can be: 1) 3 real solutions 2) one real and two imaginary solutions.

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