Question

The pairs of equations + 2 − 5 = 0 and − 4 − 8 + 20 = 0 have:

(a) Unique solution (b) Exactly two solutions
(c) Infinitely many solutions (d) No solution

Answer 1

Explanation:

+2 - 5 = 0

has no solution

and

-4 - 8 + 20 = 0

has no solution .

Therefore collectively they have no solutions