3x, 2 - x, 5b - 3a are examples of algebraic or variable expressions…
Basic math quizzes
Browse our 200 plus sets of quizzes on basic math covering wide range of topics…
A binary operation is a mathematical rule used for combining two elements to produce another element…
A binomial theorem is used for expanding binomial expressions….
Two parallel chords, with lengths 12cm and 16cm, lie on opposite sides of the centre of a circle of radius 10cm. Calculate the distance between the chords.
Find the equation of the circle with centre (3,7) and area 16 square units.
Correlation and Regression
The line of best fit in a scatter diagram passes through the points (2,-3) and (10,9) in the x-y plane. What will be the predicted value for y when x = 4?
A rectangle has a perimeter of 24cm. Find its dimensions if its area is to be a maximum.
A straight line which divides one or more lines and angles into two equal parts is called a …
Indices and Logarithms
If the logarithm of a number to base 10 is 2.6025, find the number.