To add fractions they're suppose to have the same base or denominator then u add the top
To subtract it's the same but u subtract the top
Answer:
a=2;b=4;c=6.
Louis wrote the correct answer.
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:
0
Step-by-step explanation: