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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?
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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?
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Feb 3, 2017
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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?
Mathematics
high-school
RobC
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RobC
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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
Noor Nawaz
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Feb 8, 2017
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Noor Nawaz
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