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# What is a formula equation?

A formula equation is a visual representation of a reaction using chemical formulas. A chemical formula is an expression that states the number and types of atoms that make up any given molecule using the symbols for the elements and sub-scripted numbers.

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The most well-known example of a chemical formula is water, which is H?O. Formula equations are used to keep larger and more complex equations and reactions as simple and short as possible. Furthermore, chemical formulas are standardized, so no matter where they are used, scientists know what they mean in any language. In a chemical formula equation, the reactants are listed on the left side of the equation and the result on the right.

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## What are recursive formulas?

A: Recursive formulas have two parts: the first element and a formula relating the value of one element to the next. For example, in the sequence "1, 3, 5, 7,... Full Answer >Filed Under: -
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## How do you solve quadratic equations?

A: To solve the quadratic equation ax^2 + bx + c - 0, plug the corresponding numbers into the quadratic formula. Take the opposite of b, and provide the optio... Full Answer >Filed Under: -
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## How do you find the vertex of a quadratic function?

A: To find the vertex of a quadratic equation, determine the coefficients of the equation, then use the vertex x-coordinate formula to find the value of x at ... Full Answer >Filed Under: -
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## What is the quadratic formula used for?

A: The quadratic formula is one way to solve the quadratic equation. Although other, often easier, ways to solve the quadratic equation exist, including facto... Full Answer >Filed Under: