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Earn +20 ptsQ: What is equation that is always true?
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What is it called when an equation is always true?
In math, an equation that is always true is called an identity.
It is always helpful to rewrite an equation in standard form as a first step in solving it.?
True
A value that makes an equation true?
Any number that makes an equation true is a 'solution of an equation'. it is a solution
What equation is true for some values of its variable and is not true for others?
No equation can have that property. It cannot be an equation if it is not true. If necessary, the domain must be amended. An equation can have different forms over different parts of its domain.
Give an example of an equation that is an identity?
An identity is an equation that is always true, for any value of the variable or variables. Here are some examples: x + x = 2x a + b = b + a x1 = x
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