Slope Fields

AP Calculus AB· difficulty 3/5

Slope depends on yy only: positive when yy is large (top), zero on xx-axis, negative below. Which DE matches?

  • A

    dy/dx=ydy/dx = -y

  • B

    dy/dx=xdy/dx = -x

  • C

    dy/dx=xdy/dx = x

  • D

    dy/dx=ydy/dx = y

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Explanation

Slope =y= y (positive above, negative below, zero on axis).

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