An Elementary Treatise on Graphs

abscissae angle approximately asymptotes average gradient average velocity axis called centre circle common logarithm complete graph conic conic section constant corresponding values cubic equation Cubic Function diagram distance Draw the graph ellipse equal example EXERCISES exponential function Find the average Find the equation fraction give gradient graph of x² Graph the equation Graph the function graphically harmonic Hence horizontal hyperbola inches increases increment length line given linear logarithms maximum method minute-spaces negative obtained ordinate parabola parallel perpendicular Plot the points plotted points point moves points of intersection positive values quadratic function quotient radians real root relation represents satisfy the equation SIMPLE HARMONIC MOTION simple sine curve simultaneous equations Solve the equation square straight line student symmetry t₁ tangent temperature trigonometric function turning point turning values values of x x-axis y-axis y-scale y=ax+b y=x² zero