formulas/meanings

Cards (37)

  • descending order
    from highest value to lowest value
  • ascending order
    from lowest value to highest value
  • mean
    add all the numbers and divide by how many numbers there are
  • mode
    the number that occurs the most
  • median
    place from lowest to highest and find the middle number if there are two numbers in the middle divide by 2
  • range
    largest-smallest
  • What is a factor?
    A number that divides another number without leaving a remainder
  • Give an example of factors of 6.
    1, 2, 3, and 6 are factors of 6
  • What is a multiple?
    The result of multiplying a number by an integer
  • Provide examples of multiples of 12.
    12, 24, and 36 are multiples of 12
  • What defines a prime number?
    A number greater than 1 that has no divisors other than 1 and itself
  • List some examples of prime numbers.
    2, 3, 5, and 7 are prime numbers
  • What is a rational number?
    A number that can be expressed as a fraction with integer numerator and denominator, where the denominator is not zero
  • Provide examples of rational numbers.
    1/2 and -3/4 are rational numbers
  • What is an irrational number?
    A number that cannot be expressed as a fraction
  • Give examples of irrational numbers.
    π and 2√2 are examples of irrational numbers
  • What is the gradient of a line?
    The slope of a line on a graph, calculated as "rise over run"
  • How is the gradient calculated?
    It is calculated as change in y divided by change in x
  • What are perpendicular lines?
    Lines that intersect to form right angles (90 degrees)
  • What is the relationship between the gradients of perpendicular lines?
    Their gradients are negative reciprocals of each other
  • What are simultaneous equations?
    A set of equations with multiple variables that you solve together
  • Provide an example of simultaneous equations.
    2x + y = 5 and x - y = 1 are simultaneous equations
  • What is a ratio?
    A comparison of two quantities
  • What does a ratio of 2:3 mean?
    For every 2 of the first item, there are 3 of the second
  • What is a proportion?
    An equation that states that two ratios are equivalent
  • Provide an example of a proportion.
    \(\frac{2}{3} = \frac{4}{6}\) is an example of a proportion
  • What is a quadratic equation?
    An equation of the form \(ax^2 + bx + c = 0\) where \(a \neq 0\)
  • How can solutions to a quadratic equation be found?
    Solutions can be found using factoring, completing the square, or the quadratic formula
  • What is probability?
    The likelihood of an event occurring
  • How is probability often expressed?
    It is often expressed as a fraction, decimal, or percentage
  • What is the hypotenuse?
    The longest side of a right-angled triangle, opposite the right angle
  • How is the circumference of a circle calculated?
    It is calculated as \(2\pi r\) or \(\pi d\)
  • What is a composite function?
    A function made by combining two functions, written as \(f(g(x))\) or \(g(f(x))\)
  • What is a locus in mathematics?
    A set of points that satisfy a specific condition
  • What does transformation refer to in mathematics?

    A change made to the position, shape, or size of a figure
  • What are the types of transformations?
    Translations, reflections, rotations, and enlargements are types of transformations
  • +-=-
    --=-
    -+=-
    ++=+