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?

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asked Feb 3, 2017 32.8k views

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Noor Nawaz · Answer 1 · 2017-02-08T13:23:01+0000

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

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?

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