MTH3: FORMULAE

FORMULAE

Building a formulae

Example

1. In the figure , ABC is a straight line the angles at B are p⁰ , q⁰, q⁰ as shown statethe fomular for p in terms of q.

1. Trees are planted in a rectangular field measures 2 metres by metres. Each tree is allowed to occupy an area of 15m². If there n trees. Complete the fomulae n= —-

The answer isunrealistic because you can’t have a fraction of trees

A VIDEO ABOUT FORMALAE INVOLVING FRACTIONS

Surface area, 5cm² in erms of h

19. In the figure the square ABCD has sides of length 10cm and CX = CV = Xcm.

A VIDEO ABOUT FORMALAES

SUBSTITUTION

1. A metal bar has a length , a cm when its temperature is raised f ⁰C its new length , a_t cm is given by a_t where c is the coefficient of linear expansion. Find C if a = 87.40

A VIDEO ABOUT FORMULAE AND SUBSTITUTION

FUNCTIONS

A function is a mapping in which every object has one and only one image.

Notation;-

Example