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If \(pq\ne 0,\) and \(\dfrac1{p}=\sqrt{q},\) what is the value of \(p?\)

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by M7MBA » Tue Oct 20, 2020 5:55 am

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If \(pq\ne 0,\) and \(\dfrac1{p}=\sqrt{q},\) what is the value of \(p?\)


A. \(q\)

B. \(\sqrt{q}\)

C. \(\dfrac{\sqrt{q}}{q}\)

D. \(\dfrac{1}{q}\)

E. \(\dfrac{1}{q^2}\)

Answer: C

Source: Princeton Review
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Source: — Problem Solving |

M7MBA wrote:
Tue Oct 20, 2020 5:55 am
If \(pq\ne 0,\) and \(\dfrac1{p}=\sqrt{q},\) what is the value of \(p?\)


A. \(q\)

B. \(\sqrt{q}\)

C. \(\dfrac{\sqrt{q}}{q}\)

D. \(\dfrac{1}{q}\)

E. \(\dfrac{1}{q^2}\)

Answer: C

Solution:

Since 1/p = √q, then p = 1/√q = √q/q.

Answer: C

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