Vocab Flashcards
Members of the set {1, 2, 3,…}
Not negative and not 0
Natural numbers
The set of numbers consisting of all the rational and irrational numbers
Real numbers
Members of the set {0, 1, 2, 3,…}
Not neg.
Whole numbers
Members of the set {…, -3, -2, -1, 0, 1, 2, 3,…}
Integers
Numbers that are the result of dividing an integer by a nonzero integer
-5/3
Rational numbers
Real numbers that are not rational, such as the square root of 7 and pi
The square root of 3
Irrational numbers
A symbol or group of symbols used to represent a number
3x4
Numerical expression
A numeral expression; a variable; or a sum, difference, product, or quotient that contains one or more variables
X
Y^2–2y+6
Algebraic expression
Ax+ By=C
Standard form
Y=mx+b
Slope intercept form
y-y1=m(x-x1)
Point slope form
An equation that is equivalent to an inequality with a polynomial as one with a polynomial as one side and 0 as the other side
X^2=5x+24
Polynomial equation
An equation that contains a radical with a variable in the radicand
40=the square root of 22d
Radical expression
2/3=x/3
Rational equation
A correspondence between two sets, D and R, that assigns to each member of D exactly one element
Function