7x-4x=10-1
3x=9
3/3x=9/3
x=3
9 x² + 16 y² = 144 /:144

General formula of ellipse ( the center is at the origin ):
a² = 16, b² = 9
Domain: [-a, a ] = [-4, 4]
Range:[-b, b ]
Answer:
B ) ellipse.Domain: { -4 ≤ x ≤ 4 }Range: { -3 ≤ y ≤ 3 }
Answer:
Abcissa = X, and Ordinate = Y
(-7,-2)
Is the answer