MAT 291 Quiz 6
TOTAL POINTS
6.5 / 10
QUESTION 1
1 Q1 2.5 / 6
+ 1 pts Vector field is directly up along the y axis
+ 1 pts x-component of the vector field
increases
+ 1 pts y-component stays consistent
+ 1 pts The tangent vector is correct or the
equation to be solved is correct
+ 1 pts The calculated point is correct
+ 1 pts Properly Plotted the tangent point(s) and
the curve (if the point(s) you calculated is not
correct but it looks reasonable on the plot, you
still get the mark)
+ 6 pts Correct
✓
+ 0.5 pts Only the curve or the point is properly
plotted
+ 0.5 pts The equation to be solved is partially
correct
+ 0.5 pts Results not correct but only have a
minor calculation mistake
✓
+ 2 pts Sketch the vector field, partially correct
+ 1 pts Sketch the vector field, partially correct
+ 0 pts Click here to replace this description.
1
Why they look parallel to the x axis?
QUESTION 2
2 Q2 4 / 4
✓
+ 4 pts correct
+ 1 pts parameterization correct (expression of
r(t))
+ 1 pts range of t correct (integration limits)
+ 1 pts ds correct
+ 1 pts final results are correct
+ 0.5 pts final result is not correct due to a
minor error
+ 1 pts method is correct in general
+ 0.5 pts parameterization partially correct
(expression of r(t))
+ 0.5 pts ds partially correct
+ 0 pts not correct
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