Why does (-) × (-) = ( )? 🤔 You’ve memorized the rule, but have you ever SEEN why it’s true? Watch the number line flip as we push past zero into negative territory. What was on the left jumps to the right. What seemed like an arbitrary rule becomes visually obvious. This is what math looks like when you can actually see it happening ✨ #MathInMyBackyard #negativenumbers #visualmath | polymathematic

Definition of arbitrary

ARBITRARY definition and meaning | Collins English Dictionary

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Discrete vs. Continuous Functions | Differences & Examples