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# SHMS 8th Math Vocab2

### SHMS 8th Grade Math Vocab 2

TermDefinition
Algebraic Expression A mathematical phrase involving at least one variable. They can contain numbers and operation symbols.
Cube Root One of three equal factors of a number. For example. 3 x 3 x 3 = 27, so 3 is the___________ _________ for 27.
Exponent The number of times a base is used as a factor of repeated multiplication.
Equation A mathematical sentence that contains an equals sign.
Inverse Operation Pairs of operations that undo each other, for example, addition and subtraction OR division and multiplication.
Irrational A real number whose decimal form is non-terminating and non-repeating . This type of number cannot be written as the ratio of two integers.
Like Terms Terms that have the same variable raised to the same power. Only the coefficients of these terms can be different.
Multiplicative Inverses Two numbers that when multiplied together equal 1, for example, 4 and ¼.
Perfect Square A number that has a rational number as its square root.
Radical A symbol that is used to indicate finding the root of a number. √
Rational A number that can be written as the ratio of two integers with a nonzero denominator.
Scientific Notation A representation of real numbers as the product of a number, where the number is 1≤ n<10, and a power of 10, used primarily for very large or very small numbers.
Square Root One of two equal factors of a nonnegative number. For example, 5 is this for 25 because 5 • 5 = 25. -5 is also this for 25 because (-5) • (-5) = 25.
Variable A letter or symbol used to represent a number.
Created by: hbogue