Solve the following system.
x^2/25+y^2/100 = 1
a {(3, 4), (-3, 4)}
b {(4, 3), (-4, 3)}
c {(0, -10), (0, 10)}
d {(-5, 0), (5, 0)}

X²/25 + y²/100 =1
4x²/100+ y²/100 =1
4x²+y²=100
y²=100- 4x²
If x=0, y²= 100, y = ±10
c{(0,-10),(0,10)}
If y=0, 4x²= 100, x²=25, x=±5
d {(-5,0),(5,0)}

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