PST ME Block Q2

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| By Lopezbrianroy3

Lopezbrianroy3

Community Contributor

Quizzes Created: 8 | Total Attempts: 964

Questions: 20 | Attempts: 111 | Updated: Mar 19, 2023

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Questions and Answers

1.

What is the value of Arcsin 0?
- A.
  
  0
- B.
- C.
- D.
Correct Answer
A. 0

Explanation
The value of Arcsin 0 is 0 because the arcsine function returns the angle whose sine is equal to the given value. Since the sine of 0 is 0, the arcsine of 0 is also 0.

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2.

What is the value of Arccos(-1)
- A.
  
  0
- B.
- C.
- D.
Correct Answer
B.

Explanation
The value of Arccos(-1) is 180 degrees or π radians. This is because Arccos is the inverse function of cosine, and cosine of 180 degrees or π radians is equal to -1.

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3.

What is the value of
- A.
- B.
- C.
- D.
Correct Answer
C.
4.

What is the value of ?
- A.
- B.
- C.
- D.
Correct Answer
D.
5.

What is the value of
- A.
- B.
- C.
- D.
Correct Answer
C.
6.

What is the value of
- A.
- B.
- C.
- D.
Correct Answer
D.
7.

What is the value of Arccos0
- A.
  
  0
- B.
- C.
- D.
Correct Answer
C.

Explanation
The value of Arccos0 is 90 degrees or π/2 radians. This is because the arccosine function gives the angle whose cosine is equal to the given value. In this case, the cosine of 90 degrees is 0, so the arccosine of 0 is 90 degrees.

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8.

What is the value of ?
- A.
  
  0
- B.
- C.
- D.
Correct Answer
D.
9.

What is
- A.
- B.
- C.
- D.
Correct Answer
B.
10.

What is the value of Arccot(0)
- A.
- B.
- C.
- D.
Correct Answer
A.

Explanation
The value of Arccot(0) is equal to π/2. This is because the arccotangent function returns the angle whose cotangent is equal to the given value. Since the cotangent of π/2 is 0, the arccotangent of 0 is π/2.

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11.

What is the value of
- A.
- B.
- C.
- D.
Correct Answer
D.
12.

12 What is the value of
- A.
- B.
- C.
- D.
Correct Answer
C.
13.

What is the restriction for the range of
- A.
  
  0
- B.
- C.
- D.
Correct Answer
A. 0
14.

What is x in ?
- A.
  
  5
- B.
  
  25
- C.
  
  125
- D.
  
  625
Correct Answer
C. 125

Explanation
The pattern in the given sequence is that each number is obtained by multiplying the previous number by 5. Starting with 5, we have 5 * 5 = 25, 25 * 5 = 125, and 125 * 5 = 625. Therefore, the missing number in the sequence is 125.

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15.

When expressed as a single logarithm is equal to
- A.
- B.
- C.
- D.
Correct Answer
B.
16.

Expand
- A.
- B.
- C.
- D.
Correct Answer
C.
17.

What is the exponential form of
- A.
- B.
- C.
- D.
Correct Answer
B.
18.

For what values of x is
- A.
  
  X can be any real number
- B.
  
  X can be any positive real number
- C.
  
  X can be any nonnegative real number
- D.
  
  X can be any positive integer
Correct Answer
B. X can be any positive real number

Explanation
The given answer states that x can be any positive real number. This means that x can take on any value that is both positive and a real number. It includes all positive integers as well as any positive fraction or decimal. The answer does not include any negative numbers or zero, as those are not considered positive.

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19.

What is
- A.
- B.
- C.
- D.
Correct Answer
B.
20.

What is
- A.
- B.
- C.
- D.
Correct Answer
D.