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Mathematical Methods — Question 5

QCAA 2023, Paper 2 · 1 mark

Q5 · 2023 · Technology-activeSimple familiar1 mark

QUESTION 5

Solve

\ln x+\ln(3.70)=\ln(9.25)

.

(A)

1.50

(B)

2.00

(C)

2.50

(D)

3.50

ABCD

Question linkOriginal paper

WORKED SOLUTION

Answer C

1 mark

ANSWER

C —

2.50

Worked solution

\ln(3.70x)=\ln9.25

, so

x=9.25/3.70=2.50

; C.

Selects option C.

[1 mark]

Worked explanation by QCE Vault; correct option verified against the QCAA answer key.

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