Apentix/AP Calculus AB/Unit 7: Differential Equations/Question

AP Calculus ABeasymcq1 pt

For the differential equation $\dfrac{dy}{dx} = -\dfrac{x}{y}$ , at which of the following points is the slope of the segment equal to $-1$ ?

A.

(2,2)

B.

(-1,1)

C.

(1,-2)

D.

(3,1)

Explanation

Core Concept

Substituting gives $-\dfrac{2}{2} = -1$ , so the segment at $(2,2)$ has slope $-1$ .

Correct Answer

A $(2,2)$

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