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What is the factor theorem?

The factor theorem helps us to find factors of polynomial equations, by substituting in number values for x to see whether the equation equals zero. For any polynomial P(x), the factor theorem would state...

Answered by Alex T. • Maths tutor

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Find the area of a sector with a radius of 5cm and an angle of 120 degrees?

pi r r

pi 5x5

25pi = 360 degrees

120/360 x 25pi = 25/3 pi

Teaching Points:

Area of a circle + other formalue for circumfrence

Degrees of a circle

Fracti...

Answered by Anish P. • Maths tutor

4938 Views

How do you measure the gradient of a straight line joining two points?

There is a simple method for working out the gradient of a straight line joining any two points, for which the X and Y coordinates are known. For instance, if our first point is: A(X₁,Y₁

Answered by Alex T. • Maths tutor

11469 Views

Why maths is so hard sometimes?

I have been struggling with maths when my teacher failed to teach me how to understand maths and only made me do the homework and tests. Maths is all about understanding the logic behind the calculations,...

Answered by Anna N. • Maths tutor

3628 Views

How do you find the turning points of a curve described by the equation y(x)?

A turning point on a curve will be a point where the curve is flat/horizontal i.e. where it has a gradient of zero. We know that to find the equation for the gradient of a curve we have to differentiate i...

Answered by George F. • Maths tutor

7594 Views