How to Find the Increasing or Decreasing Functions?
Knowing whether a function is increasing or decreasing tells you how the output behaves as the input grows. A function that goes up as you move left to right on the graph is increasing; one that goes down is decreasing. Identifying these intervals from a graph or equation is an essential Algebra 1 skill and […]
How to Solve Systems of Equations with Substitution?
Algebra 1 Systems of Equations with Substitution Substitution is the go-to method for a system when one variable is already by itself: you replace it in the other equation, solve for one variable, then back-substitute for the other. We’ll walk through it step by step, with a solver, drills, and a worksheet maker a tap […]
