College Algebra All Chapters
questions with answers
natural numbers - answersthe counting numbers i.e. 1, 2, 3...
intergers - answersinclude the natural numbers, their opposites, and 0
rational numbers - answersinclude integers, all fractions p/q, where p and q are integers
with q DNE 0, all repeating and all terminating decimals
irrational numbers - answerscannot be written as nonrepeating, nonterminating
decimals, cannot be a rational number, includes non-integer square roots
real numbers - answersincludes rational and irrational numbers
order of operations - answersPEMDAS
scientific notation - answersa number in the form c x 10^n
mean - answersthe average, add the sum of n numbers and divide by n
median - answersmiddle of a sorted list of numbers
relation, - answersa set of ordered pars (X,y)
domain - answersset of x-valiues in a relation
range - answersset of y-values in a relation
distance formula - answersd = √[( x₂ - x₁)² + (y₂ - y₁)²]
midpoint formula - answersM=(x1+x2/2, y1+y2/2)
standard equation of a circle - answers(x-h)^2 + (y-k)^2 = r^2
function - answersa relation in which each valid input results in one output
implied domain - answersthe set of all valid inputs that are defined or make sense in the
formula of a function
vertical line test - answersif a vertical ine intersects a graph at no more than one point,
then the graph represents a function
questions with answers
natural numbers - answersthe counting numbers i.e. 1, 2, 3...
intergers - answersinclude the natural numbers, their opposites, and 0
rational numbers - answersinclude integers, all fractions p/q, where p and q are integers
with q DNE 0, all repeating and all terminating decimals
irrational numbers - answerscannot be written as nonrepeating, nonterminating
decimals, cannot be a rational number, includes non-integer square roots
real numbers - answersincludes rational and irrational numbers
order of operations - answersPEMDAS
scientific notation - answersa number in the form c x 10^n
mean - answersthe average, add the sum of n numbers and divide by n
median - answersmiddle of a sorted list of numbers
relation, - answersa set of ordered pars (X,y)
domain - answersset of x-valiues in a relation
range - answersset of y-values in a relation
distance formula - answersd = √[( x₂ - x₁)² + (y₂ - y₁)²]
midpoint formula - answersM=(x1+x2/2, y1+y2/2)
standard equation of a circle - answers(x-h)^2 + (y-k)^2 = r^2
function - answersa relation in which each valid input results in one output
implied domain - answersthe set of all valid inputs that are defined or make sense in the
formula of a function
vertical line test - answersif a vertical ine intersects a graph at no more than one point,
then the graph represents a function
