Two-Variable Data: Models and Scatterplots

SAT Math· difficulty 3/5

A scatter plot's line of best fit is y=2x+50y = -2x + 50. What is the predicted value of yy when x=15x = 15?

  • A

    25

  • B

    30

  • C

    35

  • D

    20

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Explanation

y=2(15)+50=30+50=20y = -2(15) + 50 = -30 + 50 = 20.

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