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15 Cards in this Set

  • Front
  • Back
Numbers on a Real Number Line must be...
rational or irrational
Given two real numbers a and b, what four basic operation can be performed on them?
addition, subtraction, multiplication and division
The result from performing any of the four basic operations on any two real numbers is...
another real number
What is the multiplicative inverse (or reciprical) of a?
1/a because 1/a x a = 1
What is the multiplicative inverse (reciprical) of 0
Because we cannot divide by zero, the multiplicative inverse of zero is not defined.
Of the 4 operations that can be performed on real numbers, which two operations are not commutative?
subtraction and division
N
The set of Natural numbers (1,2,3...)
W
The set of Whole numbers (0,1,2,...)
I
The set of Irrational Numbers
Q
The set of Rational numbers
Z
the set of Integers (...-2,-1,0,1,2...)
R
The set of Real numbers
If to lines intersect at one point...
...the solution of the system is the ordered pair of the intersection point.
If two lines are parallel...
...there is no solution.
if two lines are identical...
...the system has an infinite number of solutions.