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plot the coordinates to obtain a straight line graphcalculate the gradient by using the equation m=change in y/change in xfind the point of interception by seeing where the line crosses the y axis, where ...
The elimination method2x + 3y = 83x + 2y = 7First we multiply one or both of the equations so that one of their like terms share the same coefficients.2x + 3y = 8 (multi...
Firstly, expand the left hand side of the equation out to produce: [7x-35=25-3x]. Bring all the x's to one side (to form 10x=60). Divide both sides by 10 to find the solution for x [x=60/10]. Therefore, x...
When looking at factorising quadratic equations, the first approach should be to identify what is in front of the x term and the value of the c term, with the equation being in the form of y=A(x^2)+Bx+c.S...
(x/2) + 3x/(x+1) = 1x(x+1) + 6x = 2x + 2x2 + x + 6x - 2x = 2x2 + 5x - 2 = 0Using the quadratic formula,x1 = (-5+(29)1/2)/2x2 = (-5-(29)EDAnswered by Emily D. • Maths tutor2893 Views
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