A comprehensive guide to mastering the math concepts tested on the PSAT, including real-world applications and testing strategies.
Sometimes, you’ll need to solve problems with two or more equations at once. These are called systems of equations.
You can solve systems by substitution, elimination, or graphing. On the PSAT, you'll often find the point where two lines cross.
Inequalities show when one value is greater or less than another. You might solve linear inequalities or represent solutions on a number line.
Systems help you plan events, manage resources, or compare prices. Understanding inequalities is key for setting limits or goals.
Finding the price of two types of tickets if you know the total cost and number of tickets.
Solving \(x + y = 10\) and \(x - y = 2\) by adding the equations to find \(x = 6\).
Systems help you make decisions when there are multiple conditions or constraints.