8.F.B.4 Linear relationship between two quantities

QuizÂ by NYSED Math Grade 8

Mathematics
Common Core

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Measures 1 skill fromGrade 8MathematicsCommon Core

8.F.B.4

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6 questions
• Q1
60s
8.F.B.4
• Q2
60s
8.F.B.4
• Q3
60s
8.F.B.4
• Q4
At a factory, the cost of making different numbers of toothbrushes is shown in the table below. A linear function models the cost based on the number of toothbrushes made. Which statement about the rate of change of this function is true?
The cost increases by $1.50 for each additional toothbrush made. The cost increases by$18.00 for each additional 3 toothbrushes made
The cost increases by $4.50 for each additional toothbrush made. The cost increases by$9.00 for each additional 3 toothbrushes made.
60s
8.F.B.4
• Q5
60s
8.F.B.4
• Q6
60s
8.F.B.4

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