Quiz – Math 1, Unit 9, Section A

Unit 9 Section A Quiz

1. Which of the following is a characteristic of rational numbers?

   1. They cannot be expressed as a fraction
   2. They include only whole numbers
   3. They are always negative
   4. They can be expressed as a fraction of two integers

2. In algebra, what is the distributive property?

   1. A property that involves rearranging terms
   2. A property that allows multiplication across addition or subtraction
   3. A property used to solve quadratic equations
   4. A property that combines terms with different exponents

3. What is the area of a rectangle with a length of 8 units and a width of 5 units?

   1. 13 square units
   2. 20 square units
   3. 40 square units
   4. 80 square units

4. Which measure of central tendency is the value that appears most frequently in a dataset?

   1. Mean
   2. Median
   3. Mode
   4. Range

5. In personal finance, what is the main purpose of creating a budget?

   1. To increase expenses
   2. To track and manage income and expenses effectively
   3. To maximize credit card usage
   4. To eliminate all savings

6. How is probability expressed in mathematical terms?

   1. As a fraction or percentage representing the likelihood of an event
   2. As a whole number indicating the certainty of an event
   3. As a negative number showing the impossibility of an event
   4. As an irrational number

7. Which mathematical concept is essential in physics for modeling motion and forces?

   1. Algebraic expressions
   2. Geometry
   3. Calculus
   4. Statistics

8. Which mathematical technique is used to optimize resource allocation in economics?

   1. Game theory
   2. Linear programming
   3. Hypothesis testing
   4. Data analysis

9. What is an example of a mathematical model used in biology?

   1. A model predicting stock market trends
   2. A model simulating infectious disease spread
   3. A model analyzing voting behavior
   4. A model optimizing factory output

10. Which field uses the Golden Ratio to create aesthetically pleasing compositions?

    1. Physics
    2. Music
    3. Art
    4. Economics