Linear Equations with unknowns on Both Sides

Descripción

GCSE (Year 8 Algebra 3) Maths Test sobre Linear Equations with unknowns on Both Sides, creado por Ellen Billingham el 07/05/2013.
Ellen Billingham
Test por Ellen Billingham, actualizado hace más de 1 año
Ellen Billingham
Creado por Ellen Billingham hace más de 11 años
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Resumen del Recurso

Pregunta 1

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

Pregunta 2

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

Pregunta 3

Pregunta
How would you work out 4y+2=2y+8
Respuesta
  • (-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

Pregunta 4

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

Pregunta 5

Pregunta
What does 3(y + 2) mean?
Respuesta
  • 3y + 2
  • 3y + 6
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