75476
Description
Quiz by Ellen Billingham, updated more than 1 year ago
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Created by Ellen Billingham
over 11 years ago
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Question 1
Question
What is the first thing you do to a linear equation with an x on both sides?
Answer
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Get rid of the smaller x
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Add them together
Question 2
Question
What is the essential rule for algebraic equations?
Answer
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If you minus from one side, you add to the other
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Always do the same to both sides of the equation
Question 3
Question
How would you work out 4y+2=2y+8
Answer
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(-2y) 2y+2=8 (-2) 2y = 6 (divide by 2) y = 3
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(-2) 4y = 2y+6 (-6) 4y - 6 = 2y (-4y) -6 = -2y (+6) 0 = -2y+6 (+2y) 2y = 6 (divide by 2) y = 3
Question 4
Question
What does n equal in this equation?
5n - 2 = n + 46
Answer
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n = 12
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n = 48
Question 5
Question
What does 3(y + 2) mean?
Answer
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3y + 2
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3y + 6
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