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Maths
GCSE

How can graphs be used in solving equations?

The first thing that is important to understand that a graph essentially highlights every single possible value (for both x and y) within a given rangeWhat does this mean?This means that a line representi...

Answered by Khaleel M. Maths tutor
2451 Views

Find the values of x: x^2 + 14x + 22 = 4x -2

x2 + 14x + 22 = 4x -2
1) First you should arrange the equation into the format ax2 + bc + c = 0. This gives x2 + 10x + 24 =02) Factorise into (x+n)(x+m) = 0. To work...

Answered by Gemma M. Maths tutor
2534 Views

How do function transformations work?

Typically consists of a rundown of all 6 function transformations in a way which is interactive with the student.

Answered by Jay P. Maths tutor
2340 Views

Solve algebraically the simultaneous equations x^2 + y^2 = 25 and y - 3x = 13

Start to solve by substitution: eqn 1 x^2 + y^2 = 25eqn 2 y - 3x = 13 => y = 3x + 13Substitute eqn 2 into 1: x^2 + (3x +13)^2 = 25expand and simplify the equation ...5x^2 + 39x + 72 = 0

Answered by Rosita R. Maths tutor
2345 Views

For the equation x^2 - 2x - 8 = y find: (a) The roots. (b) The y-intercept. (c) The coordinate of the turning point

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