Simultaneous equations

Ellen Billingham
Quiz by , created over 6 years ago

GCSE Maths (Year 8 Algebra 3) Quiz on Simultaneous equations, created by Ellen Billingham on 05/07/2013.

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Ellen Billingham
Created by Ellen Billingham over 6 years ago
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Question 1

Question
What is the method that we mostly have used for solving simultaneous equations called?
Answer
  • Elimination method
  • Coefficial method

Question 2

Question
What do you do to the two equations if they both have the same x or y (with the same + or - as well)?
Answer
  • Add the equations together
  • Subtract the equations

Question 3

Question
What do you do to the equations if they have the same number of y but different signs?
Answer
  • Add the equations
  • Subtract the equations

Question 4

Question
What do you do if none of the xs or ys are the same in both equations?
Answer
  • Add them anyway
  • Multiply the equations so that the xs or ys are equal, then solve as normal