PDF chapter test TRY NOW

1. Is it true to say that the pair of equations \(-x + 2y + 2 = 0\) and \(\frac{1}{2}x - \frac{1}{4}y - 1 = 0\) has a unique solution? Justify your answer.
 
Answer:
 
The pair of equations has a unique solution.
 
2. Do the equations \(4x + 3y - 1 = 5\) and \(12x + 9y = 15\) represent a pair of coincident lines? Justify your answer.
 
Answer:
 
The pair of equations \(4x + 3y - 1 = 5\) and \(12x + 9y = 15\) represent coincident lines.