Search our library of Maths GCSE questions

Top answers

Maths

GCSE

Solve the simultaneous equation: 3x + 2y = 4 , 4x + 5y = 17

the first thing to do when trying to solve simultaneous equations like this one is to look for a common coefficient. one of these doesn't exist in either equation therefore you have to multiply one or bot...

Answered by Mohammad J. • Maths tutor

2472 Views

how would you solve the simultaneous equations 3x + 4y = 11, 5x - y = 3?

the first thing to do when trying to solve simultaneous equations like this one is to look for a common coefficient. one of these doesn't exist in the equations as they are so you have to multiply one or ...

Answered by Ryan M. • Maths tutor

3188 Views

What is completing the square?

What is completing the square?Completing the square is a way of rewriting quadratic expressions in a form that can help us interpret graphs and solve quadratic equations. It involves rewriting

Answered by Jack L. • Maths tutor

2217 Views

Write (x + 1)(x + 2)(x + 3) in the form ax³ + bx² + cx + d

Step 1: Multiply the first 2 brackets(x + 1)(x + 2) =x² + x + 2x + 2 =x² + 3x + 2
Step 2: Multiply the result with the third bracket(x² + 3x + 2)(x+3)x³ + ...

Answered by Anjum C. • Maths tutor

2243 Views

Draw the graph of, y = x^2 – 2x – 4

1)First, let's create a table of values for x and y. For this example, let's pick values of x ranging from -2 to +4.2) We will then input our values of x into the equation, and get a corresponding value o...

Answered by Adam D. • Maths tutor

4214 Views