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CAIE IGCSE Mathematics Core C2.10.2 Solve Associated Equations Graphically Including Finding and Questions

Practise Core CAIE IGCSE Mathematics by reading roots, drawing suitable lines and finding line-curve intersections to solve associated equations.

Syllabus
2028–2030
Course
Mathematics 0580
Level
Core

Exam points

  • Read roots from a curve where it meets the x-axis or a stated horizontal line, reporting all graphical solutions in the interval.
  • Draw or use a suitable straight line to solve a related quadratic, reciprocal or cubic equation graphically.
  • Find coordinates where a line and curve intersect and interpret those intersections as simultaneous graphical solutions.

CAIE IGCSE Mathematics Core C2.10.2 Solve Associated Equations Graphically Including Finding and Questions question 1

[Maximum number: 2]

Use your graph to solve the equation x2−4x−2=0x^2-4x-2=0.
x=orx=x=\quad\text{or}\quad x=

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