TMUA 2018 Paper 1 Q4 — Worked Solution

P1·Algebra & Surds, Inequalities·5.0Official · 2018 · Q4

simultaneous-equationsdiscriminantquadratic-substitution

Consider the simultaneous equations

3 x^{2} + 2 x y = 4, x + y = a

where

a

is a real constant. Find the complete set of values of

a

for which the equations have two distinct real solutions for

x

Discussion

No discussions yet. Stuck, or want to share an approach? Start the first one.