AS/A2 Pure 1 Pure 3

P2 Topic 2: Functions
Various curves
By clicking on the top line and then clicking Load Example, you can look at any of 10 curves. What kind of curves are they? What are their equations? The answers are at the bottom of the page.

Answers Curve 1: Straight line, y=2x-3 Curve 2: Quadratic curve, y=x2-2 Curve 3: Quadratic curve, y=(x-2)(x+4) Curve 4: Straight line, y=-3x+1 Curve 5: Cubic graph, y=x3+1 Curve 6: Cubic graph, y=(x-1)(x+2)(x+3) Curve 7: Quartic curve y=x4 Curve 8: Quadratic curve, y=-(x-2)2 Curve 9: Cubic curve y=-(x-3)2(x+1) Curve 10: y=-5x2 Based on free Java applets from JavaMath