Biotechnology Midterm Exam - Math 101
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Questions and Answers

What is the resulting matrix when calculating $(A - 2I)^2 + 5A$ for the matrix $A = \begin{pmatrix} 23 & 0 \ 4 & 0 \end{pmatrix}$?

  • $\begin{pmatrix} 27 & 0 \ 4 & 0 \end{pmatrix}$
  • $\begin{pmatrix} 29 & 0 \ 4 & 0 \end{pmatrix}$ (correct)
  • $\begin{pmatrix} 30 & 0 \ 4 & 0 \end{pmatrix}$
  • $\begin{pmatrix} 25 & 0 \ 4 & 0 \end{pmatrix}$
  • For the matrix $A = \begin{pmatrix} 42 & 1 \ 5 & 0 \end{pmatrix}$, what are the Eigen values?

  • 4 and 8
  • 3 and 7
  • 2 and 5 (correct)
  • 1 and 6
  • How many 1 mg tablets are needed to create 20 tablets with a dosage of 3.8 mg/tablet from the options 1 mg, 3 mg, and 5 mg?

  • 5 1 mg, 10 3 mg, 5 5 mg
  • 10 1 mg, 5 3 mg, 5 5 mg (correct)
  • 8 1 mg, 8 3 mg, 4 5 mg
  • 7 1 mg, 7 3 mg, 6 5 mg
  • For the matrix $A = \begin{pmatrix} 31 & 1 \ 26 & 0 \end{pmatrix}$, what is one of the corresponding Eigen vectors?

    <p>$\begin{pmatrix} -1 \ 1 \end{pmatrix}$</p> Signup and view all the answers

    To produce 25 tablets with a dosage of 4.2 mg/tablet using 2 mg, 4 mg, and 6 mg tablets, how many 4 mg tablets should be used if 10 tablets are to be of 6 mg?

    <p>5 tablets of 2 mg</p> Signup and view all the answers

    Study Notes

    Math (101) Biotechnology Midterm Exam - Study Notes

    • Question Types: Three questions on each exam. Questions involve matrix operations, eigenvalue/eigenvector calculations, and systems of equations.
    • Question 1 (Matrix Operations): Find (A - 2I)² + 5A. Matrices (A) are presented in each test.
      • Matrix A values: Vary for each test. Key details of each matrix (e.g., dimensions, entries) are essential for the calculation.
    • Question 2 (Eigenvalues and Eigenvectors): Find the eigenvalue and eigenvector for the matrix provided.
      • Matrices Vary: Use the same Matrix A values from Question 1 in each question set.
    • Question 3 (Systems of Equations): A medicine comes in different dosage forms. Find the combinations to make a target dosage.
      • Dosage Forms: The dosage strength (mg/tablet) varies for each test. The target number of tablets and total dosage also vary for each question
      • All possible solutions: Find all valid combinations of dosages to reach the target amount.

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    Description

    Prepare for your Biotechnology Midterm Exam with these Math 101 study notes. This exam includes matrix operations, eigenvalue/eigenvector calculations, and solving systems of equations based on varying matrix inputs and dosage forms. Master the concepts to excel in these essential areas of biotechnology mathematics.

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