morgannutter13 morgannutter13

24-05-2021
Mathematics

contestada

Solve the following system algebraically.
y = x2 +x
y = -x - 1

A) (-2,3)
B) (-1,0)
C) (0,0)
D) (-5,2)

Respuesta :

tankisfun97 tankisfun97

24-05-2021

Answer:

B

Step-by-step explanation:

-x - 1 = x^2 + x

x^2 + 2x + 1 = 0

(x+1)(x+1) = 0

x = -1 (double soution)

y = 1-1 =

y =0

(-1,0) = double solution

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