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diff-eq-quiz452017-08-02-20-04-59.pdf

Differential Equation Quiz 4+5

Q1. A differential equation (or "DE") contains derivatives or differentials. a) True b) False

Q2. solving a DE means finding an equation with no derivatives that satisfies the given DE a) True b) False

Q3.Solving a differential equation always involves only one integration steps. a) True b) False

Q4. First order DE: Contains only first derivatives a) True b) False

Q5. Second order DE: Contains only first derivatives a) True b) False

Q6. Second order DE: Contains second derivatives (and possibly first derivatives also) a) True b) False

Q7.This DE has order 2 (the highest derivative appearing is the second derivative) and degree 1 (the power of the highest derivative is 1.)

a) True b) False

Q8.This DE has order3 (the highest derivative appearing is the second derivative) and degree 2 (the power of the highest derivative is 1.)

a) True b) False

Q9. This DE has order 1 (the highest derivative appearing is the first derivative) and degree 5 (the power of the highest derivative is 5.)

a) True b) False

Q10. This DE has order 7 (the highest derivative appearing is the second derivative) and degree 4 (the power of the highest derivative is 4.)

a) True b) False