Linear Equation In Two Variable Maths - Linear Equation In Two Variable

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

Answer: D.

• 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.