How to Use Substitution to Solve a System of Equations: Word Problems
Solving systems of equations is a fundamental concept in algebra, and it plays a crucial role in various fields such as engineering, physics, and economics. One popular method to solve these systems is substitution, which involves substituting one variable with an expression from another equation. This article aims to provide a comprehensive guide on using […]
How to Compare Linear Functions: Equations, Tables, and Graphs
TL;DR: Comparing two linear functions boils down to checking two numbers each: slope (the rate of change) and y-intercept (the starting value). Whichever line has the steeper slope grows faster as x increases. Whichever has the higher y-intercept starts out ahead. That’s the whole comparison, and the beauty is it works no matter how each […]
