Constant Rate of Change: Meaning, Formula and Examples
A constant rate of change means y changes by the same amount for each equal increase in x. Its value is the slope: m = (y₂ − y₁)/(x₂ − x₁), where x₂ ≠ x₁. For a linear function y = mx + b, m is constant. A positive rate means y increases, a negative rate […]
How to Find Unit Rates and Rates?
To find a unit rate, divide the amount by the number of units. For example, 240 miles in 4 hours is 240 ÷ 4 = 60 miles per hour. Keep the units in that order: dollars divided by items gives dollars per item; miles divided by hours gives miles per hour. Rates help you compare […]
