Topic 4-1 - 4-3 Flashcardizz

A set of two or more equations with the same variables. Solutions are the points where the equations intersect.

1. Solve one equation for one variable. 2. Substitute that expression into the other equation. 3. Solve for the remaining variable.

A method where you add or subtract equations to eliminate one variable, making it easier to solve for the other.

The lines represented by the equations are parallel and never intersect.

The equations represent the same line, meaning every point on the line is a solution.

The form is y = mx + b, where m is the slope and b is the y-intercept.

Slope (m) = (y2 - y1) / (x2 - x1).

The y-coordinate where the line crosses the y-axis (x=0).

1. Find the y-intercept (b). 2. Use the slope (m) to find another point. 3. Draw the line through the points.

The point where the graphs of the equations meet, representing the solution to the system.