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Algebra 2 Chapter 8
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Terms in this set (17)
combined variation
when one quantity varies directly with respect to two or more quantities. [p. 501]
complex fraction
a rational expression whose numerator and/or denominator contains a fraction. [p. 536]
constant of variation
K= constant of variation. The rate.
direct variation
a relationship in which one variable quantity increases as another variable quantity also increases. Y=kX
horizontal asymptote
A line that can be crossed and the graphs follows it on the far left and far right.
hyperbola
f(x)=1/x. Reciprocal function.
inverse variation
a relationship in which one variable quantity increases as another variable quantity decreases and the product of the variable is a constant. y = k/x [p. 498]
joint variation
a relationship that occurs when a quantity varies directly with the product of two or more other quantities. [p. 501]
oblique asymptote
(Slant asymptote) An asymptote that is neither horizontal nor vertical.
point of discontinuity
a point where the function is not continuous. [p. 516]
rational equation
an equation containing one or more rational expressions. [p. 542]
rational expression
the quotient of two polynomials. [p. 527]
rational function
a function which is the ratio of 2 polynomials. [p. 515]
rational inequality
Inequalities that contain one or more rational expressions.
reciprocal function
the parent function for the function family of inverse variation equations. [p. 507]
vertical asymptote
A line that can't be crossed. The graph(s) follow the line.
weighted average
the mean of a set of numbers in which some numbers carry more weight that other numbers.
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