This math topic focuses on finding the y-intercept of linear equations presented in standard form. Each problem requires students to identify the y-intercept by substituting zero for the x-value in the equation and solving for y. The equations vary slightly in each question, demonstrating how to manipulate and isolate y to determine its intercept on a graph. This set of problems is aimed at developing proficiency with linear equations and understanding their graphical interpretations in relation to y-intercepts.