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Slope Fields

AP Calculus AB· difficulty 3/5

Slope at each point depends only on xx: negative for x<0x < 0, zero at x=0x = 0, positive for x>0x > 0. Which DE?

  • A

    dy/dx=x2dy/dx = x^2

  • B

    dy/dx=ydy/dx = y

  • C

    dy/dx=xdy/dx = x

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  • D

    dy/dx=−xdy/dx = -x

Explanation

Slope sign matches sign of xx.

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