Natural numbers (counting numbers) = {1,2,3,4,5,6.....}
Whole numbers = {0,1,2,3,4,5,6...} They are counting numbers but they include 0.
Integers = {..., -3, -2, -1, 0 , 1,2,3...}
Rational numbers = {p/q, p and q are integers not equal to 0} 4/1, 1.3, -9/2, 16/8
Irrational numbers = {real number that is not rational. Square root of 3, negative square root of 2, Pi
Real numbers = a point on a number line.
Additive inverse - For any real number a, the number -a is the additive inverse of a.
ReplyDeleteAbsolute value - |a| = a if a is positive or 0, -a if a is negative.
ReplyDeleteAlso remember that in Chapter 1 that when anything is raised to the 0 power the answer is always 1! See test question 17 from test 1 it is a good example of those type of problems!
ReplyDeleteThank you Callie
ReplyDelete