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How do I factorise a quadratic equation?

A quadratic equation will always take the form ax 2 + bx + c, where x is a variable and a, b and c are numbers. The equation may be given to you with several x 2 values, several x values or several numbers. ...
KM
Answered by Kate M. • Maths tutor
7442 Views

C1 June 2014 Q)4 - https://pmt.physicsandmathstutor.com/download/Maths/A-level/C1/Papers-Edexcel/June%202014%20QP%20-%20C1%20Edexcel.pdf

a) At A y=0, therefore if we solve: 0= (1/x)+1 we get x=-1.b)First step when drawing graphs is to find roots. x=0, x=2. Because x=0 acts as two of roots the graph only touches x=0. The graph is a positive cu...
AS
Answered by Arun S. • Maths tutor
9212 Views

Ben would like to buy two tickets for the theatre, each ticket costs £25 and there is a 15% booking fee applied to the ticket cost. How much does it cost him to buy the two tickets with the additional fee?

25 x 2 = 50 15% = 0.15 50 x 1.15 = 57.5 or 0.15 x 50 = 7.5 50 + 7.5 = 57.5
AP
Answered by Alexander P. • Maths tutor
3502 Views

How to do simultaneous equations?

Give the student an example question.e.g: past paper question from OCR (higher tier) paper 4 2017 Each week Dan drives two routes, route x and route y. One week he drives route x three times and route y twic...
RR
Answered by Rachel R. • Maths tutor
9160 Views

The value of a new car is £18000. The value of the car decreases by 25% in the first year, and 12% in each of the next 4 years. Work out the value of the car after 5 years.

In the 1st year the car loses 25% of its value, meaning it retains 75% of its value. The starting value (100%) was £18000, so multiplying this by the 75% retained - remembering to change this to decimal nota...
AM
10253 Views