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Solving linear equations and inequalitiesIB MYP Maths Extended: Flashcards

What these 13 flashcards ask

  • How do you solve an equation?
  • What do you do first when there are brackets?
  • Solve 5x-7=2x+11.
  • Solve 3(2x-1)=x+17.
  • How do you clear fractions in an equation?
  • Solve \frac{3x+1}{4}=\frac{x+5}{2}.
  • What is an inequality?
  • What changes when you divide an inequality by a negative number?
  • Solve 4x+3<2x+13.
  • Solve 7-3x\ge1.
  • When do you use an open circle on a number line?
  • Show x\le2 on a number line.
  • How can you check a solution?

Exam questions on Solving linear equations and inequalities

  1. Dev is solving equations for homework. His first equation is 5x−7=2x+115x-7=2x+11.
    Dev's second equation is 3(2x−1)=x+173(2x-1)=x+17. Solve it.2 marks
  2. Amira is solving the inequality 4x+3<2x+134x+3<2x+13.
    Solve 7−3x≥17-3x\ge1.2 marks
  3. Leila is solving equations that contain fractions.
    Solve 3x+14=x+52\frac{3x+1}{4}=\frac{x+5}{2}.3 marks
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Written by the Exaim team, led by Shaun Daswani (Head of Upper Secondary, Improve ME Institute; MSc Financial Mathematics, Imperial College London; BSc, UCL) and Jason Daswani (operational lead, Improve ME Institute; LSE).