home Interactive Shape
introduction coordinates lines curves

curves Curves summary

quadratic
a1 a2 a3 a4
b1 b2 b3 b4
c1 c2 c3 c4
a1 a2 a3 a4

How to find values of x and y for quadratic curves of the form y = ax²+b and more general forms. Plotting graphs of equations of this form and in factorised form. Finding the equations of a curve from a given graph.

cubic
a1 a2 a3 a4
b1 b2 b3 b4
c1 c2 c3 c4

How to find values of x and y for cubic curves of the form y = ax³+b and more general forms. Plotting graphs of equations of this form and in factorised form. Finding the equations of a curve from a given graph.

reciprocal
a1 a2 a3 a4
b1 b2 b3 b4
c1 c2 c3 c4

How to find values of x and y for reciprocal curves of the form y = a/x and y = a/x+b. Plotting graphs of equations of this form. Finding the equations of a curve from a given graph.

trig
a1 a2 a3 a4
b1 b2 b3 b4
c1 c2 c3 c4

Plotting sine, cosine and tangent and key values on the graph. The graphs of the trigonometrical functions for all angles, up to curves of the form y = asin(bx)+c, y = acos(bx)+c and y = atan(bx)+c.

others
a1 a2 a3 a4
b1 b2 b3 b4
c1 c2 c3 c4

The graphs and equations of circles, exponential functions, polynomials of degree 4, 5 and n and combinations of trigonometrical functions like y = asin(cx)+bcos(dx).

solving
a1 a2 a3 a4
b1 b2 b3 b4
c1 c2 c3 c4

Solving ax²+bx+c = 0 and simultaneous equations y=f(x), y = g(x), where f(x) and g(x) might be linear, quadratic, cubic or reciprocal functions.

gradient
a1 a2 a3 a4
b1 b2 b3 b4
c1 c2 c3 c4

Finding the gradient at points on curves by drawing the tangent line and finding the gradient of this line. Examples include quadratic, cubic, reciprocal, trigonometrical and fourth degree curves.

transforming
a1 a2 a3 a4
b1 b2 b3 b4
c1 c2 c3 c4
a1 a2 a3 a4
The effect of the four transformations
  • y = f(x)+a
  • y = f(ax)
  • y = f(x+a)
  • y = af(x)
on the graph of y = f(x), where f(x) is either a linear, quadratic or trigonometrical function.

You could print this page.
Main tutors page

copyright