8th grade vocabulary
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| real numbers | made up of two sets of two numbers- rational/irrational. can be written as fractions, mixed numbers, decimals, positive and negative numbers, and radicals.
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| rational numbers | consists of integers, terminating/repeating decimals. all rational numbers can be expressed as a fraction.
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| integers | all natural numbers, their opposites, and zero. doesn't include fractions/decimals. all whole numbers.
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| whole numbers | consists of natural numbers and zero.
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| natural numbers | are all counting numbers.
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| irrational numbers | all numbers that are non-terminating/non-terminating decimals; cannot be expressed as a fraction.
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| real number system | made of rational and irrational numbers.
5 subsets; rational, integers, whole numbers, natural numbers, irrational
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| radical | a symbol that expressed a square root, a cube root, etc
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| perfect squares | product of an integer multiplied by itself.
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| exponential notation | a method of rewriting numbers- number is a base raised to an exponent.
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| exponent | a number to which the base is not raised
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| power | product of repeated multiplication of the same factor.
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| base | factor that is multiplied.
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| prime factorization | a number written as a product of its prime numbers.
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| product of power property | when the product of two exponential notations have the same base, you add the exponents.
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| quotient of power property | when the quotient of two exponential notations have the same base, subtract the exponents.
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| power to a power property | take an expression that is always raised to an exponent and raised to another exponent.
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| power of a product property | different bases, same exponents. combine bases in parentheses and raise it to the same exponent.
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| product of quotient property | different bases, same exponent. combine bases in parentheses and raise to same exponent
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| zero exponents | states that any term w/ an exponent of zero is equal to one
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| negative exponents | exponents that are negative- write them as positive
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| scientific notation | a way of expressing a long number in the form of A x 10 to a power
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| coefficient | the multiplicative factor in scientific notation
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| standard form | a way of expressing a number using 0-9 and place value notaiton
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| prefix | a name that precedes a basic unit of measure
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| consistent | an equation that has only one solution
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| inconsistent equation | an equation with no solution, results in false statement
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| identity equation | an equation that is true for all values of variable
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| inverse operation | operation that undoes another operation (addition/subtraction, multiplication/division)
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| slope | the ratio of the rise to the run
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| rise | vertical change from point A to point B (change in y)
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| run | horizontal change from point A to point B (change in x)
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| slope intercept form | linear equation y=mx+b
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| y-intercept | the y-coordinate of the point where a line intersects the y-axis
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| x-intercept | the x-coordinate of the point where a line intersects the x-axis
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| linear relationship | a relationship between two quantities in which there is a constant variation between them
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| positive slope | the lines rises from left to right (uphill)
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| negative slope | the line falls from left to right (downhill)
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| no slope (undefined) | the line is parallel to the y-axis
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| zero slope | the line parallel to the x-axis (no rise or fall)
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Created by:
bennieandthejetsramsay
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