Basic Math Concepts

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Questions and Answers

Which of the following number sets includes zero?

  • Rational numbers
  • Integers
  • Whole numbers (correct)
  • Natural numbers

Which operation involves finding the difference between two numbers?

  • Multiplication
  • Division
  • Subtraction (correct)
  • Addition

What is a symbol representing an unknown value called?

  • Variable (correct)
  • Expression
  • Constant
  • Equation

What is a one-dimensional figure with infinite length but no width?

<p>Line (D)</p> Signup and view all the answers

An angle that measures less than 90 degrees is called what?

<p>Acute angle (A)</p> Signup and view all the answers

Which trigonometric function is the ratio of the opposite side to the hypotenuse?

<p>Sine (B)</p> Signup and view all the answers

What does a derivative measure?

<p>Instantaneous rate of change (B)</p> Signup and view all the answers

What is the average of a set of numbers called?

<p>Mean (B)</p> Signup and view all the answers

What is a statement that is either true or false?

<p>Proposition (C)</p> Signup and view all the answers

What is the set of all elements not in a given set?

<p>Complement (A)</p> Signup and view all the answers

Flashcards

Natural Numbers

Positive integers starting from 1 (1, 2, 3,...).

Rational Numbers

Numbers that can be expressed as a fraction p/q, where p and q are integers and q ≠ 0.

Irrational Numbers

Numbers that cannot be expressed as a simple fraction (e.g., √2, π).

Complex Numbers

Numbers of the form a + bi, where a and b are real numbers, and i is the imaginary unit (i² = -1).

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Subtraction

The process of finding the difference between two numbers.

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Order of Operations

Parentheses/Brackets, Exponents/Orders, Multiplication and Division, Addition and Subtraction.

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Variables

Symbols representing unknown values.

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Line

A one-dimensional figure with infinite length but no width.

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Acute Angle

An angle less than 90 degrees.

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Probability

A measure of the likelihood that an event will occur.

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