heavenleajonas heavenleajonas

23-01-2019
Mathematics

contestada

solve the nonlinear system x^2=2y+10
3x-y=9

Respuesta :

aryanaengel44 aryanaengel44

23-01-2019

Answer:

Point is (-4, 1) and (1,-4)

Step-by-step explanation:

x2 + y2 = 17

x2 + (–x – 3)2 = 17

x2 + (–x – 3)(–x – 3) = 17

x2 + (x2 + 6x + 9) = 17

2x2 + 6x + 9 = 17

2x2 + 6x – 8 = 0

x2 + 3x – 4 = 0

(x + 4)(x – 1) = 0

x = –4, x = 1

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