mathematical concept, graph paper, Cartesian coordinate system, positive x-axis, positive y-axis, grid lines, plotted points, parabola graph, linear equations, colorful markers, geometric shapes, algebraic functions, trigonometric functions, calculus graphs, detailed axis labels, pencil, ruler, protractor, compass, bright ambient light, focused light on paper, high angle view, close-up, sharp focus, educational setting, classroom environment, chalkboard, student's hand drawing, math textbook, clear visualization, vibrant colors, 3D representation, mathematical accuracy, precise measurements, educational illustration.