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Edexcel IGCSE Math B 3.H Linear Simultaneous Equations Question Bank

Practise solving two linear equations algebraically or graphically and applying the solution in geometric contexts.

Syllabus
First assessment 2018
Course
Math B 4MB1

Exam points

  • scale and add or subtract equations to eliminate one unknown
  • substitute the first value into either original equation to find the second
  • form equations from equal sides or other constraints before calculating the requested result

3.H Linear simultaneous equations question 1

[Maximum number: 3]
Figure 3

Figure 3

Information about the function f is shown in Figure 3.
Given that f is the mapping f:x↦ax3+b\mathrm{f}: x \mapsto a x^{3}+b where a and b are constants,

Hence find the value of a and the value of b.

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