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Help your students prepare for their Maths GCSE with this free Solving simultaneous equations graphically worksheet of 30+ questions and answers
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Simultaneous equations are pairs of equations with two unknowns. We can solve simultaneous equations to find a set of solutions (one value for each unknown) which work for both equations . For a pair of linear simultaneous equations, there will be one set of solutions. For a pair of equations where one is a linear function and one is a quadratic function, there could be 1 or 2 sets of solutions.
We can solve pairs of simultaneous equations using a graphical method. To do this, we accurately plot the graphs for both equations.Β Remember, one way to accurately plot any graph is to create a table of values using the equation for the graph. Once we have plotted the graph for the first equation and the second equation, the coordinates of the point/points of intersection of the graphs will be the solution/solutions to the simultaneous equations.Β
There is no need to match coefficients when solving simultaneous equations graphically (this would be used to solve simultaneous equations by elimination).
Looking forward, students can then progress to additional algebra worksheets, for example a sequences worksheet, simultaneous equations worksheet or straight line graphs worksheet.
For more teaching and learning support on Algebra our GCSE maths lessons provide step by step support for all GCSE maths concepts.
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