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Practice problem

Negatives on the Number Line — Visualization & Examples

By Elise Molinaro
+2 contributors
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A thermometer where t1 is labeled 7 and t2 is labeled -5.

Image by wynpnt via Pixabay (License)

At night the thermometer above read −5∘-5^{\circ}. In the morning, the thermometer shows 7∘7^{\circ}. How much did the temperature change?

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Type a concept, like “slope” or “photosynthesis”.

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