Q7 · 2020 · Technology-freeSimple familiar1 mark
QUESTION 7
The diagram shows a slope field.
The differential equation represented by the slope field is
(A)
(B)
(C)
(D)
WORKED SOLUTION
1 markAnswer C
ANSWER
C
Worked solution
The field has zero slope on , positive slopes for and negative slopes for , independent of the sign of . That requires a factor in the numerator and an even power of in the denominator, giving .
Selects option C.
Worked explanation by QCE Vault; correct option verified against the QCAA answer key.
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