Linear Equations In Two Variables Maths - Linear Equations In Two Variables

• ✓
  $x^2y > 0$
• B
  $x + y = 0$
• C
  $xy < 0$
• D
  $\frac{1}{\text{x}}-\frac{1}{\text{y}}=0$

Answer: A.

• A
  $\frac{-5}{4}$
• B
  $\frac{2}{5}$
• C
  $\frac{3}{2}$
• ✓
  $\frac{15}{4}$

Answer: D.

• ✓
  x = 2, y = 3
• B
  x = -2, y = 3
• C
  x = 2, y = -3
• D
  x = -2, y = -3

Answer: A.

• A
  96
• B
  69
• C
  87
• ✓
  78

Answer: D.

• A
  $a = 5, b = 1$
• B
  $a = -5, b = 1$
• C
  $a = 5, b = -1$
• ✓
  $a = -5, b = -1$

Answer: D.