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Not all equations are equated to zero, but usually we set a function equal to zero if we want to find its x intercepts, or where the graph of the function crosses the x axis.

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Q: Why do you equate the equation to zero?
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Related questions

What is the noun of equate?

The noun form for the verb to equate is equation.


How would you equate equations with exponents to zero?

I am not entirely sure what kind of equation you want to solve. Anyway, if an expression has an exponent of zero, the entire expression is usually equal to 1 (unless you raise zero to the power zero; that's undefined). Perhaps that can help you simplify the expression. For example: if you have an equation such as (x+y+z)0 + 5x + 3 = 10 The entire left expression, (x+y+z)0 can be replaced with 1, thus simplifying the equation.


How do equations get their names?

It derives from the word equate, a verb, and the noun form you add -ion to the end so equate+ion-e=equation


What is the equation of a line with a slope of zero?

A horizontal line has a slope of zero. The equation of a horizontal line is y = a.


What can the discriminant tell you about a quadratic equation?

It can tell you three things about the quadratic equation:- 1. That the equation has 2 equal roots when the discriminant is equal to zero. 2. That the equation has 2 distinctive roots when the discriminant is greater than zero. £. That the equation has no real roots when the discriminant is less than zero.


How do you solve the equation by using the zero element?

Not sure what you mean by "zero element". If an expression is equal to zero, and you can factor it, then at least one of the factors must be zero; this is often useful to solve an equation.


If the discriminant of an equation is zero What is true of the equation?

That its roots (solutions) are coincident.


If the discriminant of an equation is zero is true of the equation?

That its roots (solutions) are coincident.


Can a quadratic equation equal zero?

Yes most of them do equal zero.


What is C if the equation is a equals 2bc-d?

Technically is can be anything you want it to be since you did not equate this expression to any value.


What are quadratic equations with real roots?

If the discriminant of the quadratic equation is zero then it will have 2 equal roots. If the discriminant of the quadratic equation is greater than zero then it will have 2 different roots. If the discriminant of the quadratic equation is less than zero then it will have no roots.


When will an equation have no solution?

If the discriminant of a quadratic equation is less than zero then it has no solutions.