Algebra 1 Topic 6 Vocabulary

rational exponent

a fraction as an exponent and another way to express radicals

asymptote

a line that a graph approaches but never crosses

constant ratio

ratio that has a constant value

exponential function

a function that can be described by an equation of the form y= a*b^x, where b > 0 and b ≠ 1

compound interest

interest earned on both the principal amount and any interest already earned

decay factor

in an exponential function of the form y=ab^x, b is the decay factor if 0<b<1

exponential decay

an exponential function of the form f(x) = ab^x in which 0<b<1

exponential growth

an exponential function of the form f(x) = ab^x in which b>1

growth factor

in an exponential function of the form y=ab^x, b is the growth factor if b>1