Positive & negative slope | algebra (video) | khan academy, Sal analyzes what it means for a slope to be positive or negative (spoiler: it affects the direction of the line!). Sparknotes: graphing equations: slope, A summary of slope in 's graphing equations. learn exactly what happened in this chapter, scene, or section of graphing equations and what it means. perfect for acing. Absolute | purplemath, When the number inside the absolute value (the "argument of" the absolute value) was positive anyway, we didn't change the sign when we took the absolute value..

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