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what is a variable expression that has a decreasing value as the value of thevariable increases?

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โˆ™ 2009-09-16 21:43:28
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A polynomial of degree zero is a constant term

The grouping method of factoring can still be used when only some of the terms share a common factor A True B False

The sum or difference of p and q is the of the x-term in the trinomial

A number a power of a variable or a product of the two is a monomial while a polynomial is the of monomials

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Q: What is a variable expression that has a decreasing value as the value of the variable increases?
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How do you find the value of an algebraic expression?

Take the value of each variable in the expression and replace the variable by its value. Then do the math!

What does it mean to evalutate the expression?

Replace each variable in the expression by its value and then find the value of the expression.

To solve a system of equations you cannot replace a variable with an equal value or expression?

You can replace a variable with an equal value or expression. Just make sure the same variable always gets the same value or expression.

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The term for replacing a variable with another value or expression is "substitution."

Is a variable a variable expression?

Yes. A variable by itself, or anything that contains a variable, would be a variable expression (unless the variable cancels out, as in "x - x", which always has the same value).

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If it is a variable-name, then just fetch the value of the variable.

What is increasing and decreasing function?

If the y-vaue (output) of the function increases as the x-value (input) increases, the function is increasing. If the y-value (output) of the function decreases as the x-value (input) increases, the function is decreasing. Example: y = x is always increasing. y = -x is always decreasing.

How can you have different values in algebraic expressions?

When the value of a variable in an algebraic expression changes, the value of the expression can change.

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A variable expression is an expression which contains variables(symbol that represents a certain value). For example, 4a-90. 4a-90 would be the expression an a is a variable

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A change in the coefficient, a change in the value of a variable.

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