Khan Academy

Logistic equations (Part 1) (K-A)

Logistic equations (Part 2) (K-A)

The logistic growth model (K-A)

Worked example: Logistic model word problem (K-A)

Addressing treating differentials algebraically (K-A)

Separable differential equations (K-A)

Separable equations (old) (K-A)

Separable equations example (old) (K-A)

Separable equations introduction (K-A)

Worked example: identifying separable equations (K-A)

Worked example: separable differential equations (K-A)

Approximating solution curves in slope fields (K-A)

Slope fields introduction (K-A)

Worked example: equation from slope field (K-A)

Worked example: forming a slope field (K-A)

Worked example: range of solution curve from slope field (K-A)

Worked example: slope field from equation (K-A)

Complex roots of the characteristic equations 1 (K-A)

Complex roots of the characteristic equations 2 (K-A)

Complex roots of the characteristic equations 3 (K-A)

Repeated roots of the characteristic equation (K-A)

Repeated roots of the characteristic equations part 2 (K-A)

2nd order linear homogeneous differential equations 1 (K-A)

2nd order linear homogeneous differential equations 2 (K-A)

2nd order linear homogeneous differential equations 3 (K-A)