Q:

What is an equation?

A:

Quick Answer

An equation is a statement declaring that two values are equal. It has an equals sign and expressions on the left and right of the equals sign; the expression on the left and the right are equal.

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Full Answer

In most equations, one or both sides have variables associated with them. The variable represents an unknown number. Manipulating the equation to come up with the solution to the variable is known as "solving the equation." Algebra covers a variety of types of equations and methods to solve them. For example, algebra covers linear equations of one, two or an indefinite number of variables, quadratic equations and equations of higher orders of power.

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Related Questions

  • Q:

    What does "y = mx + b" stand for?

    A:

    Y = mx + b is the equation for a straight line. "B" is the point value of where the line intercepts the y axis, called the y intercept. "M" is the value of the slope of the line. "X" is the value where the line intercepts the x axis.

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  • Q:

    How do you graph linear inequalities?

    A:

    To graph linear inequalities, start by drawing the line in the same fashion as you would with a linear equation. A linear inequality has many solutions that can lie above or below the line described by the expression.

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  • Q:

    What is a dependent variable?

    A:

    In math, a dependent variable is one in an expression, equation or function that depends upon one or more other variables' values to determine its value. The dependent variable is usually isolated on one side of an equation. For example, "x" is the dependent variable in the equation x=y+1.

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  • Q:

    What is the way to find a missing number in a math problem?

    A:

    It depends on the operation being performed within the math problem, but finding a missing number typically requires the student to perform the opposite operation on both sides of the equation. Finding a missing number is also known as solving an equation and is part of solving for an unknown variable in basic algebra.

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