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Is it necessary that equation has at least one variable?

Updated: 12/16/2022

Wiki User

12y ago

yes

Wiki User

12y ago

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Q: Is it necessary that equation has at least one variable?
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Literal Equation

An expression that contains at least one variable is called an algebraic expression?

it is a one-step equation

What is is an equation with more than one variable called?

Simultaneous equation* * * * *No, simultaneous equations are two or more equations that have all to be true at the same time (simultaneously) for the solution.An equation with more than one variable is a multivariate equaion.Area = 0.5*Length*Height or a = 0.5*l*h for the area of a triangle has more than one variables, but it is certainly not simultaneous.An equation with a variable is called a single variable equation. An equation that has more than one variable is called as a multi-variable equation. A polynomial equation has one variable in different powers: a common example is quadratic equations.

What is an equation that is not true for any value of a variable?

linear equation in one variable

Can you solve a variable with an equation?

When an equation has a variable in it (only one), then there are only certainvalues the variable can have that will make the equation a true statement."Solving" the equation means finding those values for the variable.

substitution

What is it called when you have to get the variable alone on one side of an equation?

It is to make the variable the subject of the equation.

Why do you isolate the variable on one side the the equation when solving a linear equation?

Isolating a single variable in terms of the rest of the equation provides a solution to that variable. That is, if you know the equation that equals the variable, then you can figure out its value.

What is the independent variable in the equation a3.14rsquared?

rRestate the equation as A = 3.14r2.The independent variable is the one you are given - in this case, 'r'.The dependent variable is the one you have to work out (it depends on the other variable). In this case, A.

substitution

Substitution

substitution