mathematical usage

Home

Get App

Create

a negative multiplied or divided by a negative equals a
- positive number
- example: -3*-4 = 12; -6/-3 = 2
a negative multiplied by a positive equals a

a negative number

example: -3*4 = -12; -6/3 = -2
with a integer treat a negative sign

just like a subtraction sign

example: 3+-2 = 3 - 2 or 1
a negative number subtracted from another number is the same as

adding a positive number

example: 2- -1 = 2+1 = 3
remember that you can reverse the numbers while

adding or subtracting

example: -4+2 = 2+ -4 = 2-4 = -2
what is a prime number

a number that can only be divided evenly by itself or one
two negatives equal

a positive
subtracting a negative number is the same as

adding it
multiplying or dividing two negative numbers yields a

positive product or quotient
when only one of the terms in a multiplication or division product is negative, the resulting product or quotient will be

negative
composite numbers will have

at least three factors: themselves, one, and some other number
order of operations

please excuse my dear aunt sally
to add or subtract fractions you must have a

common denominator
to multiply fractions

multiply the numerators together and then multiply the denominators together
to divide one fraction by another

invert the second fraction and then multiply first numerators and then denominators
exponents. when two terms with the same base are multiplied together

the exponents are added together
exponents. when two terms with different bases but the same exponent are multiplied together

only the bases are multiplied, the exponent stays the same
when the same base is given two exponents

the exponents are multiplied together
when exponents are multiplied together

the exponents are added to get the final result
when the exponents in parentheses have an exponent

the exponents are multiplied to get the final result

Author

harlanjr

270815

Card Set

mathematical usage

Description

mathematical usage

Updated

2014-04-16T19:20:31Z

Show Answers