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A term may be moved from one side of an equation to the other if the sign of the term in changed from plus to minus or vice versa after the move. Note that this follows from the more basic rule that an equation is not changed by adding the same term to each side. Transposing a term and changing its sign is equivalent to adding the positive/negative counterpart of the term to be transposed to each side of the equation.
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The elimination method is useful when you can eliminate one of the variable terms from an equation by adding or subtracting another equation?
True
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 it called when you swap to letters or numbers around Does it have a name?
A Transposition Error
What equation best represents the volume of a cylinder in terms of radius?
The equation for the volume of a cylinder in terms of its radius and length isV = (pi) R2 L .As we read the question, we couldn't shake the spooky feeling thatthere was supposed to be a list of choices, which we never saw.
What is the definition of equation in two variables?
It is an equation, involving mathematical terms, in which there are two elements, x and y, which are allowed to vary. For example 2x + sin(y) = 10xy
