Which of the following is a solution to the system of nonlinear equations below?
{y=x^2
{y=-x+2

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19-10-2016
Mathematics

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Which of the following is a solution to the system of nonlinear equations below?
{y=x^2
{y=-x+2

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nobillionaireNobley nobillionaireNobley · Answer 1 · 2016-10-24T17:46:08+02:00

nobillionaireNobley nobillionaireNobley

24-10-2016

y = x^2 . . . (1)
y = -x + 2 . . . (2)
Putting (1) into (2) gives,
x^2 = -x + 2
x^2 + x - 2 = 0
x^2 - x + 2x - 2 = 0
x(x - 1) + 2(x - 1) = 0
(x + 2)(x - 1) = 0
x = -2 or x = 1
y = (-2)^2 or y = (1)^2
y = 4 or y = 1

Solution is (-2, 4) and (1, 1)

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Which of the following is a solution to the system of nonlinear equations below? {y=x^2 {y=-x+2

Respuesta :

Otras preguntas

Which of the following is a solution to the system of nonlinear equations below?
{y=x^2
{y=-x+2