Linear Equations with unknowns on Both Sides

Descrição

GCSE Maths (Year 8 Algebra 3) Quiz sobre Linear Equations with unknowns on Both Sides, criado por Ellen Billingham em 07-05-2013.
Ellen Billingham
Quiz por Ellen Billingham, atualizado more than 1 year ago
Ellen Billingham
Criado por Ellen Billingham mais de 11 anos atrás
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Resumo de Recurso

Questão 1

Questão
What is the first thing you do to a linear equation with an x on both sides?
Responda
  • Get rid of the smaller x
  • Add them together

Questão 2

Questão
What is the essential rule for algebraic equations?
Responda
  • If you minus from one side, you add to the other
  • Always do the same to both sides of the equation

Questão 3

Questão
How would you work out 4y+2=2y+8
Responda
  • (-2y) 2y+2=8 (-2) 2y = 6 (divide by 2) y = 3
  • (-2) 4y = 2y+6 (-6) 4y - 6 = 2y (-4y) -6 = -2y (+6) 0 = -2y+6 (+2y) 2y = 6 (divide by 2) y = 3

Questão 4

Questão
What does n equal in this equation? 5n - 2 = n + 46
Responda
  • n = 12
  • n = 48

Questão 5

Questão
What does 3(y + 2) mean?
Responda
  • 3y + 2
  • 3y + 6

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