POST UTME ACHIEVERS UNIVERSITY 2017 Mathematics | Objective

Are you preparing for POST UTME ACHIEVERS UNIVERSITY exams? Reviewing past questions is one of the most effective ways to guarantee a high score. This practice hub features authentic 2017 Mathematics (Objective) questions designed to simulate the real exam environment.

Practice these randomly selected questions to test your readiness.

Question 1

Find the derivative of the function ( f(x) = \frac{1}{x^2 + 1} ) u\sing the chain rule.

A. 2x

B. -2x

Correct C. \frac{-2x}{\( x^2 + 1 \)^2}

D. \frac{2x}{\( x^2 + 1 \)^2}

Correct Answer: C

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Question 2

A histogram of exam scores for a class of 50 students is shown below.

Correct A. The mean score is 60.

B. The median score is 70.

C. The mode score is 80.

D. The s\tandard deviation is 10.

Correct Answer: A

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Question 3

Solve the system of linear equations u\sing matrices:

Correct A. \begin{bmatrix} 1 \ 2 \end{bmatrix}

B. \begin{bmatrix} 2 \ 1 \end{bmatrix}

C. \begin{bmatrix} 3 \ 4 \end{bmatrix}

D. \begin{bmatrix} 4 \ 3 \end{bmatrix}

Correct Answer: A

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Question 4

Find the value of x in the equation \( 2^x = 16 \).

A. 2

Correct B. 3

C. 4

D. 5

Correct Answer: B

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Question 5

A vector is given by \( \vec{a} = \begin{bmatrix} 2 \ 3 \ 4 \end{bmatrix} \). Find the magnitude of the vector.

A. 5

B. 6

Correct C. 7

D. 8

Correct Answer: C

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