What is a constant of proportionality? The relationship between two quanities where the ratio comparing them is always constant. The interval through which a variable changes with respect to time. The unit rate between two quantities that are directly proportional. The ratio between two quanitites simplified so that the denominator is one.

Do some research and find a city that has experienced population growth. determine its population on january 1st of a certain year. write an exponential function to represent the city’s population, y, based on the number of years that pass, x after a period of exponential growth. describe the variables and numbers that you used in your equation.

Measure of angles 31 (x+4) (3x+9) me

Write the point-slope form of the line passing through (2, -12) and parallel to y=3x.