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04-11-2016
Mathematics

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a student earns a 90 on a test for missing one question incorrectly and earns a 70 for answering three incorrectly.What is the slope?

Respuesta :

04-11-2016

i got -10

1. create two ordered pairs based on the data so (1, 90) and (3, 70)

2. plug into the slope formula so (70 - 90)/(3 - 1)

then it's -20/2, which is -10

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