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75528
Simultaneous equations
Description
GCSE Maths (Year 8 Algebra 3) Quiz on Simultaneous equations, created by Ellen Billingham on 07/05/2013.
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maths
year 8 algebra 3
maths
year 8 algebra 3
gcse
Quiz by
Ellen Billingham
, updated more than 1 year ago
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Created by
Ellen Billingham
over 10 years ago
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Resource summary
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
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