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In order to determine the slope, which represents the rate of change in a linear equation word problem, you need to identify two variables that are changing in relation to each other. For example, ...

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3. how do I know what is x and y in word problems that dont use x and y

When you're solving an equation like (x - 3) = y^2, it's important to remember that taking the square root of both sides of the equation can introduce an extra solution that doesn't necessarily sat...

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3. checking if linear equation is afunction.