mean
when u add up all the numbers then divide it by the amount of numbers
median
the middle number
mode
the number that shows up the most
range
biggest number - smallest number
whole number
0, 1, 2, 3, 4
natural numbers
1, 2, 3, 4, (NOT INCLUDING 0)
irrational numbers
numbers u cant make into a fraction
rational number
repeats itself/can be made into a fraction
horizontal line slope =?
0
vertical line slope = ?
undefined
perpendicular slope = ?
negative reciprocal
parallel slope = ?
the same slope
how do u make a percentage into a fraction?
put it over 100
how do u make a EX. 5x + 9y - 2 = 0 into y=mx+b?
bring everything byt Y to the other side which makes the numbers become negative if they were positive and positive if they were negative. and the u divide all the numbers by the number bside Y.