Numbers and Operations Basics

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Questions and Answers

What is the set of numbers that includes fractions, decimals, and percentages?

  • Integers
  • Rational Numbers (correct)
  • Natural Numbers
  • Real Numbers

What is the operation of finding the difference between two numbers?

  • Division
  • Multiplication
  • Subtraction (correct)
  • Addition

What is the graph of a relation between input and output values?

  • Inequality
  • Coordinate Plane
  • Function (correct)
  • Equation

What is the term for a set of points extending infinitely in two directions?

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

What is the concept of approaching a value, but not reaching it?

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

What is the rate of change of a function?

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

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Study Notes

Numbers and Operations

  • Number Systems:
    • Natural Numbers (N): 1, 2, 3, ...
    • Whole Numbers (W): 0, 1, 2, 3, ...
    • Integers (Z): ..., -3, -2, -1, 0, 1, 2, 3, ...
    • Rational Numbers (Q): fractions, decimals, percentages
    • Irrational Numbers: non-repeating decimals, e.g. Ï€, e
    • Real Numbers (R): all rational and irrational numbers
  • Operations:
    • Addition (+): combining two or more numbers
    • Subtraction (-): finding the difference between two numbers
    • Multiplication (×): repeated addition
    • Division (÷): sharing or grouping
    • Exponents (^): repeated multiplication
    • Roots (√): inverse operation of exponents

Algebra

  • Variables and Expressions:
    • Variables: letters or symbols representing unknown values
    • Expressions: combinations of variables, constants, and operations
  • Equations and Inequalities:
    • Equations: statements with equal values, e.g. 2x + 3 = 5
    • Inequalities: statements with unequal values, e.g. 2x - 4 > 0
  • Graphing:
    • Coordinate Plane: 2D grid with x-axis and y-axis
    • Functions: relations between input (x) and output (y) values

Geometry

  • Points, Lines, and Planes:
    • Points: locations in space, represented by coordinates
    • Lines: sets of points extending infinitely in two directions
    • Planes: flat surfaces extending infinitely in all directions
  • Angles and Measurements:
    • Angles: formed by two rays sharing a vertex
    • Degrees: units of measurement for angles
  • Shapes and Solids:
    • 2D Shapes: triangles, quadrilaterals, polygons, circles
    • 3D Solids: cubes, spheres, pyramids, prisms

Calculus

  • Limits:
    • Concept of approaching a value, but not reaching it
  • Derivatives:
    • Rate of change, slope of a function
  • Integrals:
    • Accumulation of rates of change, area under a curve

Number Systems

  • Natural Numbers (N): 1, 2, 3,...
  • Whole Numbers (W): 0, 1, 2, 3,...
  • Integers (Z): ..., -3, -2, -1, 0, 1, 2, 3,...
  • Rational Numbers (Q): fractions, decimals, percentages
  • Irrational Numbers: non-repeating decimals, e.g.Ï€, e
  • Real Numbers (R): all rational and irrational numbers

Operations

  • Addition (+): combining two or more numbers
  • Subtraction (-): finding the difference between two numbers
  • Multiplication (×): repeated addition
  • Division (÷): sharing or grouping
  • Exponents (^): repeated multiplication
  • Roots (√): inverse operation of exponents

Algebra

Variables and Expressions

  • Variables: letters or symbols representing unknown values
  • Expressions: combinations of variables, constants, and operations

Equations and Inequalities

  • Equations: statements with equal values, e.g. 2x + 3 = 5
  • Inequalities: statements with unequal values, e.g. 2x - 4 > 0

Graphing

  • Coordinate Plane: 2D grid with x-axis and y-axis
  • Functions: relations between input (x) and output (y) values

Geometry

Points, Lines, and Planes

  • Points: locations in space, represented by coordinates
  • Lines: sets of points extending infinitely in two directions
  • Planes: flat surfaces extending infinitely in all directions

Angles and Measurements

  • Angles: formed by two rays sharing a vertex
  • Degrees: units of measurement for angles

Shapes and Solids

  • 2D Shapes: triangles, quadrilaterals, polygons, circles
  • 3D Solids: cubes, spheres, pyramids, prisms

Calculus

Limits

  • Concept of approaching a value, but not reaching it

Derivatives

  • Rate of change, slope of a function

Integrals

  • Accumulation of rates of change, area under a curve

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