SPM 2019 Add Maths Paper 2, Question 1Systems of Equations

Solved on video in English and Bahasa Melayu · 5 marks · Form 4, Systems of Equations · 4:21 video

The question

Solve the simultaneous equations x + 2y = 1 and 3/x - 2/y = 5. Give your answers correct to three decimal places.

[5 marks]

Step 1

From the linear equation: x = 1 - 2y ... (1)

9 more steps, each with the reason for it, in the full solution

Final answer

x = 0.283, y = 0.358 or x = 2.117, y = −0.558

Where students lose marks

Watch out: keep the minus on −2/y when clearing fractions, and do not round y before finding x. Round only at the end.

Watch every step of this question solved on video (4:21), with the reason behind each step and a box that checks your own answer.

No card. Every past-year question on video, in English and BM.