Two-Variable Data: Models and Scatterplots

SAT Math· difficulty 3/5

Using y=30x+100y = 30x + 100, what does the y-intercept 100 represent?

  • A

    Hourly wage

  • B

    Hours worked

  • C

    Maximum cost

  • D

    Cost when no hours are worked

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Explanation

The y-intercept gives the value of yy when x=0x = 0 — the fixed cost.

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