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HomertheGenius
4 x²  + y² = 9  / : 9
x² / (9/4) + y² / 9 = 1
This is an ellipse.  Equation is:  x²/a² + y²/b² = 1
a² = 9/4  ⇒ a = 3/2
b² = 9  ⇒ b = 3
The axis of symmetry are the x and y axis, or the lines: y = 0 and x = 0.
Graph is in the attachment. 
Ver imagen HomertheGenius

Answer: B It has two lines of symmetry, the x-axis and the y-axis

Step-by-step explanation: