Question

3. The pair of equations x + 2y + 5 = 0 and -3x - 6y + 1 = 0 have:
(a) a unique solution
(b) exactly two solutions
(c) infinitely many solutions
(d) no solution
2
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Answer 1

Answer:

d is correct

because it justify only

a1/a2=b1/b2#c1/c2

Answer 2

Answer:

exactly two solutions

Step-by-step explanation:

$\frac{8}{3} \: \: \frac{7}{6}$