Skip to content

Course home

Sign up

Equations and Inequalities

EasyMediumHard
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148
Question 142

Verify that the simultaneous equations

x+y=3x2+2y2−8x=6 \begin{aligned} x + y &= 3 \\ x^2 + 2y^2 - 8x &= 6 \end{aligned} x+yx2+2y2−8x​=3=6​

have the solutions x=6,y=−3x = 6, y = -3x=6,y=−3 and x=23,y=73\displaystyle x = \frac{2}{3}, y = \frac{7}{3}x=32​,y=37​.

[4]
Markscheme

Equations and Inequalities Questions

  1. A Level
  2. /Maths
  3. /Equations and Inequalities

206 exam-style questions on Edexcel A Level Maths Equations and Inequalities, covering 3.1 Linear Simultaneous Equations, 3.2 Quadratic Simultaneous Equations, 3.3 Simultaneous Equations on Graphs, 3.4 Linear Inequalities, 3.5 Quadratic Inequalities, and 3.6 Inequalities on Graphs. Each one has a worked solution and a mark scheme showing where the marks go.

Question bank